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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Browse Source 
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-01-29 10:14:59 -05:00
commit 3e3ab9ccca
28 changed files with 346 additions and 220 deletions
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18
arch/s390/kvm/kvm-s390.c
View File

@ -769,7 +769,7 @@ static void kvm_s390_sync_request_broadcast(struct kvm *kvm, int req)
/* /*
* Must be called with kvm->srcu held to avoid races on memslots, and with * Must be called with kvm->srcu held to avoid races on memslots, and with
* kvm->lock to avoid races with ourselves and kvm_s390_vm_stop_migration. * kvm->slots_lock to avoid races with ourselves and kvm_s390_vm_stop_migration.
*/ */
static int kvm_s390_vm_start_migration(struct kvm *kvm) static int kvm_s390_vm_start_migration(struct kvm *kvm)
{ {
@ -825,7 +825,7 @@ static int kvm_s390_vm_start_migration(struct kvm *kvm)
} }
/* /*
* Must be called with kvm->lock to avoid races with ourselves and * Must be called with kvm->slots_lock to avoid races with ourselves and
* kvm_s390_vm_start_migration. * kvm_s390_vm_start_migration.
*/ */
static int kvm_s390_vm_stop_migration(struct kvm *kvm) static int kvm_s390_vm_stop_migration(struct kvm *kvm)
@ -840,6 +840,8 @@ static int kvm_s390_vm_stop_migration(struct kvm *kvm)
if (kvm->arch.use_cmma) { if (kvm->arch.use_cmma) {
kvm_s390_sync_request_broadcast(kvm, KVM_REQ_STOP_MIGRATION); kvm_s390_sync_request_broadcast(kvm, KVM_REQ_STOP_MIGRATION);
/* We have to wait for the essa emulation to finish */
synchronize_srcu(&kvm->srcu);
vfree(mgs->pgste_bitmap); vfree(mgs->pgste_bitmap);
} }
kfree(mgs); kfree(mgs);
@ -849,14 +851,12 @@ static int kvm_s390_vm_stop_migration(struct kvm *kvm)
static int kvm_s390_vm_set_migration(struct kvm *kvm, static int kvm_s390_vm_set_migration(struct kvm *kvm,
struct kvm_device_attr *attr) struct kvm_device_attr *attr)
{ {
int idx, res = -ENXIO; int res = -ENXIO;
mutex_lock(&kvm->lock); mutex_lock(&kvm->slots_lock);
switch (attr->attr) { switch (attr->attr) {
case KVM_S390_VM_MIGRATION_START: case KVM_S390_VM_MIGRATION_START:
idx = srcu_read_lock(&kvm->srcu);
res = kvm_s390_vm_start_migration(kvm); res = kvm_s390_vm_start_migration(kvm);
srcu_read_unlock(&kvm->srcu, idx);
break; break;
case KVM_S390_VM_MIGRATION_STOP: case KVM_S390_VM_MIGRATION_STOP:
res = kvm_s390_vm_stop_migration(kvm); res = kvm_s390_vm_stop_migration(kvm);
@ -864,7 +864,7 @@ static int kvm_s390_vm_set_migration(struct kvm *kvm,
default: default:
break; break;
} }
mutex_unlock(&kvm->lock); mutex_unlock(&kvm->slots_lock);
return res; return res;
} }
@ -1754,7 +1754,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EFAULT; r = -EFAULT;
if (copy_from_user(&args, argp, sizeof(args))) if (copy_from_user(&args, argp, sizeof(args)))
break; break;
mutex_lock(&kvm->slots_lock);
r = kvm_s390_get_cmma_bits(kvm, &args); r = kvm_s390_get_cmma_bits(kvm, &args);
mutex_unlock(&kvm->slots_lock);
if (!r) { if (!r) {
r = copy_to_user(argp, &args, sizeof(args)); r = copy_to_user(argp, &args, sizeof(args));
if (r) if (r)
@ -1768,7 +1770,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EFAULT; r = -EFAULT;
if (copy_from_user(&args, argp, sizeof(args))) if (copy_from_user(&args, argp, sizeof(args)))
break; break;
mutex_lock(&kvm->slots_lock);
r = kvm_s390_set_cmma_bits(kvm, &args); r = kvm_s390_set_cmma_bits(kvm, &args);
mutex_unlock(&kvm->slots_lock);
break; break;
} }
default: default:

46
drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
View File

@ -71,6 +71,10 @@ nvkm_pci_intr(int irq, void *arg)
struct nvkm_pci *pci = arg; struct nvkm_pci *pci = arg;
struct nvkm_device *device = pci->subdev.device; struct nvkm_device *device = pci->subdev.device;
bool handled = false; bool handled = false;
if (pci->irq < 0)
return IRQ_HANDLED;
nvkm_mc_intr_unarm(device); nvkm_mc_intr_unarm(device);
if (pci->msi) if (pci->msi)
pci->func->msi_rearm(pci); pci->func->msi_rearm(pci);
@ -84,11 +88,6 @@ nvkm_pci_fini(struct nvkm_subdev *subdev, bool suspend)
{ {
struct nvkm_pci *pci = nvkm_pci(subdev); struct nvkm_pci *pci = nvkm_pci(subdev);
if (pci->irq >= 0) {
free_irq(pci->irq, pci);
pci->irq = -1;
}
if (pci->agp.bridge) if (pci->agp.bridge)
nvkm_agp_fini(pci); nvkm_agp_fini(pci);
@ -108,8 +107,20 @@ static int
nvkm_pci_oneinit(struct nvkm_subdev *subdev) nvkm_pci_oneinit(struct nvkm_subdev *subdev)
{ {
struct nvkm_pci *pci = nvkm_pci(subdev); struct nvkm_pci *pci = nvkm_pci(subdev);
if (pci_is_pcie(pci->pdev)) struct pci_dev *pdev = pci->pdev;
return nvkm_pcie_oneinit(pci); int ret;
if (pci_is_pcie(pci->pdev)) {
ret = nvkm_pcie_oneinit(pci);
if (ret)
return ret;
}
ret = request_irq(pdev->irq, nvkm_pci_intr, IRQF_SHARED, "nvkm", pci);
if (ret)
return ret;
pci->irq = pdev->irq;
return 0; return 0;
} }
@ -117,7 +128,6 @@ static int
nvkm_pci_init(struct nvkm_subdev *subdev) nvkm_pci_init(struct nvkm_subdev *subdev)
{ {
struct nvkm_pci *pci = nvkm_pci(subdev); struct nvkm_pci *pci = nvkm_pci(subdev);
struct pci_dev *pdev = pci->pdev;
int ret; int ret;
if (pci->agp.bridge) { if (pci->agp.bridge) {
@ -131,28 +141,34 @@ nvkm_pci_init(struct nvkm_subdev *subdev)
if (pci->func->init) if (pci->func->init)
pci->func->init(pci); pci->func->init(pci);
ret = request_irq(pdev->irq, nvkm_pci_intr, IRQF_SHARED, "nvkm", pci);
if (ret)
return ret;
pci->irq = pdev->irq;
/* Ensure MSI interrupts are armed, for the case where there are /* Ensure MSI interrupts are armed, for the case where there are
* already interrupts pending (for whatever reason) at load time. * already interrupts pending (for whatever reason) at load time.
*/ */
if (pci->msi) if (pci->msi)
pci->func->msi_rearm(pci); pci->func->msi_rearm(pci);
return ret; return 0;
} }
static void * static void *
nvkm_pci_dtor(struct nvkm_subdev *subdev) nvkm_pci_dtor(struct nvkm_subdev *subdev)
{ {
struct nvkm_pci *pci = nvkm_pci(subdev); struct nvkm_pci *pci = nvkm_pci(subdev);
nvkm_agp_dtor(pci); nvkm_agp_dtor(pci);
if (pci->irq >= 0) {
/* freq_irq() will call the handler, we use pci->irq == -1
* to signal that it's been torn down and should be a noop.
*/
int irq = pci->irq;
pci->irq = -1;
free_irq(irq, pci);
}
if (pci->msi) if (pci->msi)
pci_disable_msi(pci->pdev); pci_disable_msi(pci->pdev);
return nvkm_pci(subdev); return nvkm_pci(subdev);
} }

33
drivers/gpu/drm/vc4/vc4_gem.c
View File

@ -146,7 +146,7 @@ vc4_save_hang_state(struct drm_device *dev)
struct vc4_exec_info *exec[2]; struct vc4_exec_info *exec[2];
struct vc4_bo *bo; struct vc4_bo *bo;
unsigned long irqflags; unsigned long irqflags;
unsigned int i, j, unref_list_count, prev_idx; unsigned int i, j, k, unref_list_count;
kernel_state = kcalloc(1, sizeof(*kernel_state), GFP_KERNEL); kernel_state = kcalloc(1, sizeof(*kernel_state), GFP_KERNEL);
if (!kernel_state) if (!kernel_state)
@ -182,7 +182,7 @@ vc4_save_hang_state(struct drm_device *dev)
return; return;
} }
prev_idx = 0; k = 0;
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
if (!exec[i]) if (!exec[i])
continue; continue;
@ -197,7 +197,7 @@ vc4_save_hang_state(struct drm_device *dev)
WARN_ON(!refcount_read(&bo->usecnt)); WARN_ON(!refcount_read(&bo->usecnt));
refcount_inc(&bo->usecnt); refcount_inc(&bo->usecnt);
drm_gem_object_get(&exec[i]->bo[j]->base); drm_gem_object_get(&exec[i]->bo[j]->base);
kernel_state->bo[j + prev_idx] = &exec[i]->bo[j]->base; kernel_state->bo[k++] = &exec[i]->bo[j]->base;
} }
list_for_each_entry(bo, &exec[i]->unref_list, unref_head) { list_for_each_entry(bo, &exec[i]->unref_list, unref_head) {
@ -205,12 +205,12 @@ vc4_save_hang_state(struct drm_device *dev)
* because they are naturally unpurgeable. * because they are naturally unpurgeable.
*/ */
drm_gem_object_get(&bo->base.base); drm_gem_object_get(&bo->base.base);
kernel_state->bo[j + prev_idx] = &bo->base.base; kernel_state->bo[k++] = &bo->base.base;
j++;
} }
prev_idx = j + 1;
} }
WARN_ON_ONCE(k != state->bo_count);
if (exec[0]) if (exec[0])
state->start_bin = exec[0]->ct0ca; state->start_bin = exec[0]->ct0ca;
if (exec[1]) if (exec[1])
@ -436,6 +436,19 @@ vc4_flush_caches(struct drm_device *dev)
VC4_SET_FIELD(0xf, V3D_SLCACTL_ICC)); VC4_SET_FIELD(0xf, V3D_SLCACTL_ICC));
} }
static void
vc4_flush_texture_caches(struct drm_device *dev)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
V3D_WRITE(V3D_L2CACTL,
V3D_L2CACTL_L2CCLR);
V3D_WRITE(V3D_SLCACTL,
VC4_SET_FIELD(0xf, V3D_SLCACTL_T1CC) |
VC4_SET_FIELD(0xf, V3D_SLCACTL_T0CC));
}
/* Sets the registers for the next job to be actually be executed in /* Sets the registers for the next job to be actually be executed in
* the hardware. * the hardware.
* *
@ -474,6 +487,14 @@ vc4_submit_next_render_job(struct drm_device *dev)
if (!exec) if (!exec)
return; return;
/* A previous RCL may have written to one of our textures, and
* our full cache flush at bin time may have occurred before
* that RCL completed. Flush the texture cache now, but not
* the instructions or uniforms (since we don't write those
* from an RCL).
*/
vc4_flush_texture_caches(dev);
submit_cl(dev, 1, exec->ct1ca, exec->ct1ea); submit_cl(dev, 1, exec->ct1ca, exec->ct1ea);
} }

3
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -1456,8 +1456,7 @@ void ipoib_cm_skb_too_long(struct net_device *dev, struct sk_buff *skb,
struct ipoib_dev_priv *priv = ipoib_priv(dev); struct ipoib_dev_priv *priv = ipoib_priv(dev);
int e = skb_queue_empty(&priv->cm.skb_queue); int e = skb_queue_empty(&priv->cm.skb_queue);
if (skb_dst(skb)) skb_dst_update_pmtu(skb, mtu);
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
skb_queue_tail(&priv->cm.skb_queue, skb); skb_queue_tail(&priv->cm.skb_queue, skb);
if (e) if (e)

19
drivers/input/joystick/xpad.c
View File

@ -229,6 +229,7 @@ static const struct xpad_device {
{ 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
{ 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
{ 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
{ 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE }, { 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE },
{ 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
@ -475,6 +476,22 @@ static const u8 xboxone_hori_init[] = {
0x00, 0x00, 0x00, 0x80, 0x00 0x00, 0x00, 0x00, 0x80, 0x00
}; };
/*
* This packet is required for some of the PDP pads to start
* sending input reports. One of those pads is (0x0e6f:0x02ab).
*/
static const u8 xboxone_pdp_init1[] = {
0x0a, 0x20, 0x00, 0x03, 0x00, 0x01, 0x14
};
/*
* This packet is required for some of the PDP pads to start
* sending input reports. One of those pads is (0x0e6f:0x02ab).
*/
static const u8 xboxone_pdp_init2[] = {
0x06, 0x20, 0x00, 0x02, 0x01, 0x00
};
/* /*
* A specific rumble packet is required for some PowerA pads to start * A specific rumble packet is required for some PowerA pads to start
* sending input reports. One of those pads is (0x24c6:0x543a). * sending input reports. One of those pads is (0x24c6:0x543a).
@ -505,6 +522,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init), XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init), XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init), XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init1),
XBOXONE_INIT_PKT(0x0e6f, 0x02ab, xboxone_pdp_init2),
XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init), XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),

245
drivers/input/mouse/trackpoint.c
View File

@ -19,6 +19,13 @@
#include "psmouse.h" #include "psmouse.h"
#include "trackpoint.h" #include "trackpoint.h"
static const char * const trackpoint_variants[] = {
[TP_VARIANT_IBM] = "IBM",
[TP_VARIANT_ALPS] = "ALPS",
[TP_VARIANT_ELAN] = "Elan",
[TP_VARIANT_NXP] = "NXP",
};
/* /*
* Power-on Reset: Resets all trackpoint parameters, including RAM values, * Power-on Reset: Resets all trackpoint parameters, including RAM values,
* to defaults. * to defaults.
@ -26,7 +33,7 @@
*/ */
static int trackpoint_power_on_reset(struct ps2dev *ps2dev) static int trackpoint_power_on_reset(struct ps2dev *ps2dev)
{ {
unsigned char results[2]; u8 results[2];
int tries = 0; int tries = 0;
/* Issue POR command, and repeat up to once if 0xFC00 received */ /* Issue POR command, and repeat up to once if 0xFC00 received */
@ -38,7 +45,7 @@ static int trackpoint_power_on_reset(struct ps2dev *ps2dev)
/* Check for success response -- 0xAA00 */ /* Check for success response -- 0xAA00 */
if (results[0] != 0xAA || results[1] != 0x00) if (results[0] != 0xAA || results[1] != 0x00)
return -1; return -ENODEV;
return 0; return 0;
} }
@ -46,8 +53,7 @@ static int trackpoint_power_on_reset(struct ps2dev *ps2dev)
/* /*
* Device IO: read, write and toggle bit * Device IO: read, write and toggle bit
*/ */
static int trackpoint_read(struct ps2dev *ps2dev, static int trackpoint_read(struct ps2dev *ps2dev, u8 loc, u8 *results)
unsigned char loc, unsigned char *results)
{ {
if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) || if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
ps2_command(ps2dev, results, MAKE_PS2_CMD(0, 1, loc))) { ps2_command(ps2dev, results, MAKE_PS2_CMD(0, 1, loc))) {
@ -57,8 +63,7 @@ static int trackpoint_read(struct ps2dev *ps2dev,
return 0; return 0;
} }
static int trackpoint_write(struct ps2dev *ps2dev, static int trackpoint_write(struct ps2dev *ps2dev, u8 loc, u8 val)
unsigned char loc, unsigned char val)
{ {
if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) || if (ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_COMMAND)) ||
ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_WRITE_MEM)) || ps2_command(ps2dev, NULL, MAKE_PS2_CMD(0, 0, TP_WRITE_MEM)) ||
@ -70,8 +75,7 @@ static int trackpoint_write(struct ps2dev *ps2dev,
return 0; return 0;
} }
static int trackpoint_toggle_bit(struct ps2dev *ps2dev, static int trackpoint_toggle_bit(struct ps2dev *ps2dev, u8 loc, u8 mask)
unsigned char loc, unsigned char mask)
{ {
/* Bad things will happen if the loc param isn't in this range */ /* Bad things will happen if the loc param isn't in this range */
if (loc < 0x20 || loc >= 0x2F) if (loc < 0x20 || loc >= 0x2F)
@ -87,11 +91,11 @@ static int trackpoint_toggle_bit(struct ps2dev *ps2dev,
return 0; return 0;
} }
static int trackpoint_update_bit(struct ps2dev *ps2dev, unsigned char loc, static int trackpoint_update_bit(struct ps2dev *ps2dev,
unsigned char mask, unsigned char value) u8 loc, u8 mask, u8 value)
{ {
int retval = 0; int retval = 0;
unsigned char data; u8 data;
trackpoint_read(ps2dev, loc, &data); trackpoint_read(ps2dev, loc, &data);
if (((data & mask) == mask) != !!value) if (((data & mask) == mask) != !!value)
@ -105,17 +109,18 @@ static int trackpoint_update_bit(struct ps2dev *ps2dev, unsigned char loc,
*/ */
struct trackpoint_attr_data { struct trackpoint_attr_data {
size_t field_offset; size_t field_offset;
unsigned char command; u8 command;
unsigned char mask; u8 mask;
unsigned char inverted; bool inverted;
unsigned char power_on_default; u8 power_on_default;
}; };
static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf) static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse,
void *data, char *buf)
{ {
struct trackpoint_data *tp = psmouse->private; struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data; struct trackpoint_attr_data *attr = data;
unsigned char value = *(unsigned char *)((char *)tp + attr->field_offset); u8 value = *(u8 *)((void *)tp + attr->field_offset);
if (attr->inverted) if (attr->inverted)
value = !value; value = !value;
@ -128,8 +133,8 @@ static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
{ {
struct trackpoint_data *tp = psmouse->private; struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data; struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset); u8 *field = (void *)tp + attr->field_offset;
unsigned char value; u8 value;
int err; int err;
err = kstrtou8(buf, 10, &value); err = kstrtou8(buf, 10, &value);
@ -157,17 +162,14 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
{ {
struct trackpoint_data *tp = psmouse->private; struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data; struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset); bool *field = (void *)tp + attr->field_offset;
unsigned int value; bool value;
int err; int err;
err = kstrtouint(buf, 10, &value); err = kstrtobool(buf, &value);
if (err) if (err)
return err; return err;
if (value > 1)
return -EINVAL;
if (attr->inverted) if (attr->inverted)
value = !value; value = !value;
@ -193,30 +195,6 @@ PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
&trackpoint_attr_##_name, \ &trackpoint_attr_##_name, \
trackpoint_show_int_attr, trackpoint_set_bit_attr) trackpoint_show_int_attr, trackpoint_set_bit_attr)
#define TRACKPOINT_UPDATE_BIT(_psmouse, _tp, _name) \
do { \
struct trackpoint_attr_data *_attr = &trackpoint_attr_##_name; \
\
trackpoint_update_bit(&_psmouse->ps2dev, \
_attr->command, _attr->mask, _tp->_name); \
} while (0)
#define TRACKPOINT_UPDATE(_power_on, _psmouse, _tp, _name) \
do { \
if (!_power_on || \
_tp->_name != trackpoint_attr_##_name.power_on_default) { \
if (!trackpoint_attr_##_name.mask) \
trackpoint_write(&_psmouse->ps2dev, \
trackpoint_attr_##_name.command, \
_tp->_name); \
else \
TRACKPOINT_UPDATE_BIT(_psmouse, _tp, _name); \
} \
} while (0)
#define TRACKPOINT_SET_POWER_ON_DEFAULT(_tp, _name) \
(_tp->_name = trackpoint_attr_##_name.power_on_default)
TRACKPOINT_INT_ATTR(sensitivity, TP_SENS, TP_DEF_SENS); TRACKPOINT_INT_ATTR(sensitivity, TP_SENS, TP_DEF_SENS);
TRACKPOINT_INT_ATTR(speed, TP_SPEED, TP_DEF_SPEED); TRACKPOINT_INT_ATTR(speed, TP_SPEED, TP_DEF_SPEED);
TRACKPOINT_INT_ATTR(inertia, TP_INERTIA, TP_DEF_INERTIA); TRACKPOINT_INT_ATTR(inertia, TP_INERTIA, TP_DEF_INERTIA);
@ -229,13 +207,33 @@ TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME, TP_DEF_Z_TIME);
TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV, TP_DEF_JENKS_CURV); TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV, TP_DEF_JENKS_CURV);
TRACKPOINT_INT_ATTR(drift_time, TP_DRIFT_TIME, TP_DEF_DRIFT_TIME); TRACKPOINT_INT_ATTR(drift_time, TP_DRIFT_TIME, TP_DEF_DRIFT_TIME);
TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, 0, TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, false,
TP_DEF_PTSON); TP_DEF_PTSON);
TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, 0, TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, false,
TP_DEF_SKIPBACK); TP_DEF_SKIPBACK);
TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, 1, TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, true,
TP_DEF_EXT_DEV); TP_DEF_EXT_DEV);
static bool trackpoint_is_attr_available(struct psmouse *psmouse,
struct attribute *attr)
{
struct trackpoint_data *tp = psmouse->private;
return tp->variant_id == TP_VARIANT_IBM ||
attr == &psmouse_attr_sensitivity.dattr.attr ||
attr == &psmouse_attr_press_to_select.dattr.attr;
}
static umode_t trackpoint_is_attr_visible(struct kobject *kobj,
struct attribute *attr, int n)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct serio *serio = to_serio_port(dev);
struct psmouse *psmouse = serio_get_drvdata(serio);
return trackpoint_is_attr_available(psmouse, attr) ? attr->mode : 0;
}
static struct attribute *trackpoint_attrs[] = { static struct attribute *trackpoint_attrs[] = {
&psmouse_attr_sensitivity.dattr.attr, &psmouse_attr_sensitivity.dattr.attr,
&psmouse_attr_speed.dattr.attr, &psmouse_attr_speed.dattr.attr,
@ -255,24 +253,56 @@ static struct attribute *trackpoint_attrs[] = {
}; };
static struct attribute_group trackpoint_attr_group = { static struct attribute_group trackpoint_attr_group = {
.attrs = trackpoint_attrs, .is_visible = trackpoint_is_attr_visible,
.attrs = trackpoint_attrs,
}; };
static int trackpoint_start_protocol(struct psmouse *psmouse, unsigned char *firmware_id) #define TRACKPOINT_UPDATE(_power_on, _psmouse, _tp, _name) \
do { \
struct trackpoint_attr_data *_attr = &trackpoint_attr_##_name; \
\
if ((!_power_on || _tp->_name != _attr->power_on_default) && \
trackpoint_is_attr_available(_psmouse, \
&psmouse_attr_##_name.dattr.attr)) { \
if (!_attr->mask) \
trackpoint_write(&_psmouse->ps2dev, \
_attr->command, _tp->_name); \
else \
trackpoint_update_bit(&_psmouse->ps2dev, \
_attr->command, _attr->mask, \
_tp->_name); \
} \
} while (0)
#define TRACKPOINT_SET_POWER_ON_DEFAULT(_tp, _name) \
do { \
_tp->_name = trackpoint_attr_##_name.power_on_default; \
} while (0)
static int trackpoint_start_protocol(struct psmouse *psmouse,
u8 *variant_id, u8 *firmware_id)
{ {
unsigned char param[2] = { 0 }; u8 param[2] = { 0 };
int error;
if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID))) error = ps2_command(&psmouse->ps2dev,
return -1; param, MAKE_PS2_CMD(0, 2, TP_READ_ID));
if (error)
return error;
/* add new TP ID. */ switch (param[0]) {
if (!(param[0] & TP_MAGIC_IDENT)) case TP_VARIANT_IBM:
return -1; case TP_VARIANT_ALPS:
case TP_VARIANT_ELAN:
case TP_VARIANT_NXP:
if (variant_id)
*variant_id = param[0];
if (firmware_id)
*firmware_id = param[1];
return 0;
}
if (firmware_id) return -ENODEV;
*firmware_id = param[1];
return 0;
} }
/* /*
@ -285,7 +315,7 @@ static int trackpoint_sync(struct psmouse *psmouse, bool in_power_on_state)
{ {
struct trackpoint_data *tp = psmouse->private; struct trackpoint_data *tp = psmouse->private;
if (!in_power_on_state) { if (!in_power_on_state && tp->variant_id == TP_VARIANT_IBM) {
/* /*
* Disable features that may make device unusable * Disable features that may make device unusable
* with this driver. * with this driver.
@ -347,7 +377,8 @@ static void trackpoint_defaults(struct trackpoint_data *tp)
static void trackpoint_disconnect(struct psmouse *psmouse) static void trackpoint_disconnect(struct psmouse *psmouse)
{ {
sysfs_remove_group(&psmouse->ps2dev.serio->dev.kobj, &trackpoint_attr_group); device_remove_group(&psmouse->ps2dev.serio->dev,
&trackpoint_attr_group);
kfree(psmouse->private); kfree(psmouse->private);
psmouse->private = NULL; psmouse->private = NULL;
@ -355,14 +386,20 @@ static void trackpoint_disconnect(struct psmouse *psmouse)
static int trackpoint_reconnect(struct psmouse *psmouse) static int trackpoint_reconnect(struct psmouse *psmouse)
{ {
int reset_fail; struct trackpoint_data *tp = psmouse->private;
int error;
bool was_reset;
if (trackpoint_start_protocol(psmouse, NULL)) error = trackpoint_start_protocol(psmouse, NULL, NULL);
return -1; if (error)
return error;
reset_fail = trackpoint_power_on_reset(&psmouse->ps2dev); was_reset = tp->variant_id == TP_VARIANT_IBM &&
if (trackpoint_sync(psmouse, !reset_fail)) trackpoint_power_on_reset(&psmouse->ps2dev) == 0;
return -1;
error = trackpoint_sync(psmouse, was_reset);
if (error)
return error;
return 0; return 0;
} }
@ -370,46 +407,66 @@ static int trackpoint_reconnect(struct psmouse *psmouse)
int trackpoint_detect(struct psmouse *psmouse, bool set_properties) int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
{ {
struct ps2dev *ps2dev = &psmouse->ps2dev; struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char firmware_id; struct trackpoint_data *tp;
unsigned char button_info; u8 variant_id;
u8 firmware_id;
u8 button_info;
int error; int error;
if (trackpoint_start_protocol(psmouse, &firmware_id)) error = trackpoint_start_protocol(psmouse, &variant_id, &firmware_id);
return -1; if (error)
return error;
if (!set_properties) if (!set_properties)
return 0; return 0;
if (trackpoint_read(ps2dev, TP_EXT_BTN, &button_info)) { tp = kzalloc(sizeof(*tp), GFP_KERNEL);
psmouse_warn(psmouse, "failed to get extended button data, assuming 3 buttons\n"); if (!tp)
button_info = 0x33;
}
psmouse->private = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL);
if (!psmouse->private)
return -ENOMEM; return -ENOMEM;
psmouse->vendor = "IBM"; trackpoint_defaults(tp);
tp->variant_id = variant_id;
tp->firmware_id = firmware_id;
psmouse->private = tp;
psmouse->vendor = trackpoint_variants[variant_id];
psmouse->name = "TrackPoint"; psmouse->name = "TrackPoint";
psmouse->reconnect = trackpoint_reconnect; psmouse->reconnect = trackpoint_reconnect;
psmouse->disconnect = trackpoint_disconnect; psmouse->disconnect = trackpoint_disconnect;
if (variant_id != TP_VARIANT_IBM) {
/* Newer variants do not support extended button query. */
button_info = 0x33;
} else {
error = trackpoint_read(ps2dev, TP_EXT_BTN, &button_info);
if (error) {
psmouse_warn(psmouse,
"failed to get extended button data, assuming 3 buttons\n");
button_info = 0x33;
} else if (!button_info) {
psmouse_warn(psmouse,
"got 0 in extended button data, assuming 3 buttons\n");
button_info = 0x33;
}
}
if ((button_info & 0x0f) >= 3) if ((button_info & 0x0f) >= 3)
__set_bit(BTN_MIDDLE, psmouse->dev->keybit); input_set_capability(psmouse->dev, EV_KEY, BTN_MIDDLE);
__set_bit(INPUT_PROP_POINTER, psmouse->dev->propbit); __set_bit(INPUT_PROP_POINTER, psmouse->dev->propbit);
__set_bit(INPUT_PROP_POINTING_STICK, psmouse->dev->propbit); __set_bit(INPUT_PROP_POINTING_STICK, psmouse->dev->propbit);
trackpoint_defaults(psmouse->private); if (variant_id != TP_VARIANT_IBM ||
trackpoint_power_on_reset(ps2dev) != 0) {
error = trackpoint_power_on_reset(ps2dev); /*
* Write defaults to TP if we did not reset the trackpoint.
/* Write defaults to TP only if reset fails. */ */
if (error)
trackpoint_sync(psmouse, false); trackpoint_sync(psmouse, false);
}
error = sysfs_create_group(&ps2dev->serio->dev.kobj, &trackpoint_attr_group); error = device_add_group(&ps2dev->serio->dev, &trackpoint_attr_group);
if (error) { if (error) {
psmouse_err(psmouse, psmouse_err(psmouse,
"failed to create sysfs attributes, error: %d\n", "failed to create sysfs attributes, error: %d\n",
@ -420,8 +477,8 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
} }
psmouse_info(psmouse, psmouse_info(psmouse,
"IBM TrackPoint firmware: 0x%02x, buttons: %d/%d\n", "%s TrackPoint firmware: 0x%02x, buttons: %d/%d\n",
firmware_id, psmouse->vendor, firmware_id,
(button_info & 0xf0) >> 4, button_info & 0x0f); (button_info & 0xf0) >> 4, button_info & 0x0f);
return 0; return 0;

34
drivers/input/mouse/trackpoint.h
View File

@ -21,10 +21,16 @@
#define TP_COMMAND 0xE2 /* Commands start with this */ #define TP_COMMAND 0xE2 /* Commands start with this */
#define TP_READ_ID 0xE1 /* Sent for device identification */ #define TP_READ_ID 0xE1 /* Sent for device identification */
#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */
/* by the firmware ID */
/* Firmware ID includes 0x1, 0x2, 0x3 */
/*
* Valid first byte responses to the "Read Secondary ID" (0xE1) command.
* 0x01 was the original IBM trackpoint, others implement very limited
* subset of trackpoint features.
*/
#define TP_VARIANT_IBM 0x01
#define TP_VARIANT_ALPS 0x02
#define TP_VARIANT_ELAN 0x03
#define TP_VARIANT_NXP 0x04
/* /*
* Commands * Commands
@ -136,18 +142,20 @@
#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd)) #define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))
struct trackpoint_data struct trackpoint_data {
{ u8 variant_id;
unsigned char sensitivity, speed, inertia, reach; u8 firmware_id;
unsigned char draghys, mindrag;
unsigned char thresh, upthresh; u8 sensitivity, speed, inertia, reach;
unsigned char ztime, jenks; u8 draghys, mindrag;
unsigned char drift_time; u8 thresh, upthresh;
u8 ztime, jenks;
u8 drift_time;
/* toggles */ /* toggles */
unsigned char press_to_select; bool press_to_select;
unsigned char skipback; bool skipback;
unsigned char ext_dev; bool ext_dev;
}; };
#ifdef CONFIG_MOUSE_PS2_TRACKPOINT #ifdef CONFIG_MOUSE_PS2_TRACKPOINT

12
drivers/input/rmi4/rmi_f01.c
View File

@ -570,14 +570,19 @@ static int rmi_f01_probe(struct rmi_function *fn)
dev_set_drvdata(&fn->dev, f01); dev_set_drvdata(&fn->dev, f01);
error = devm_device_add_group(&fn->rmi_dev->dev, &rmi_f01_attr_group); error = sysfs_create_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group);
if (error) if (error)
dev_warn(&fn->dev, dev_warn(&fn->dev, "Failed to create sysfs group: %d\n", error);
"Failed to create attribute group: %d\n", error);
return 0; return 0;
} }
static void rmi_f01_remove(struct rmi_function *fn)
{
/* Note that the bus device is used, not the F01 device */
sysfs_remove_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group);
}
static int rmi_f01_config(struct rmi_function *fn) static int rmi_f01_config(struct rmi_function *fn)
{ {
struct f01_data *f01 = dev_get_drvdata(&fn->dev); struct f01_data *f01 = dev_get_drvdata(&fn->dev);
@ -717,6 +722,7 @@ struct rmi_function_handler rmi_f01_handler = {
}, },
.func = 0x01, .func = 0x01,
.probe = rmi_f01_probe, .probe = rmi_f01_probe,
.remove = rmi_f01_remove,
.config = rmi_f01_config, .config = rmi_f01_config,
.attention = rmi_f01_attention, .attention = rmi_f01_attention,
.suspend = rmi_f01_suspend, .suspend = rmi_f01_suspend,

15
drivers/input/touchscreen/s6sy761.c
View File

@ -1,13 +1,8 @@
/* // SPDX-License-Identifier: GPL-2.0
* Copyright (c) 2017 Samsung Electronics Co., Ltd. // Samsung S6SY761 Touchscreen device driver
* Author: Andi Shyti <andi.shyti@samsung.com> //
* // Copyright (c) 2017 Samsung Electronics Co., Ltd.
* This program is free software; you can redistribute it and/or modify // Copyright (c) 2017 Andi Shyti <andi.shyti@samsung.com>
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Samsung S6SY761 Touchscreen device driver
*/
#include <asm/unaligned.h> #include <asm/unaligned.h>
#include <linux/delay.h> #include <linux/delay.h>

15
drivers/input/touchscreen/stmfts.c
View File

@ -1,13 +1,8 @@
/* // SPDX-License-Identifier: GPL-2.0
* Copyright (c) 2017 Samsung Electronics Co., Ltd. // STMicroelectronics FTS Touchscreen device driver
* Author: Andi Shyti <andi.shyti@samsung.com> //
* // Copyright (c) 2017 Samsung Electronics Co., Ltd.
* This program is free software; you can redistribute it and/or modify // Copyright (c) 2017 Andi Shyti <andi.shyti@samsung.com>
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* STMicroelectronics FTS Touchscreen device driver
*/
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/i2c.h> #include <linux/i2c.h>

9
drivers/net/ethernet/realtek/r8169.c
View File

@ -2235,19 +2235,14 @@ static bool rtl8169_do_counters(struct net_device *dev, u32 counter_cmd)
void __iomem *ioaddr = tp->mmio_addr; void __iomem *ioaddr = tp->mmio_addr;
dma_addr_t paddr = tp->counters_phys_addr; dma_addr_t paddr = tp->counters_phys_addr;
u32 cmd; u32 cmd;
bool ret;
RTL_W32(CounterAddrHigh, (u64)paddr >> 32); RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
RTL_R32(CounterAddrHigh);
cmd = (u64)paddr & DMA_BIT_MASK(32); cmd = (u64)paddr & DMA_BIT_MASK(32);
RTL_W32(CounterAddrLow, cmd); RTL_W32(CounterAddrLow, cmd);
RTL_W32(CounterAddrLow, cmd | counter_cmd); RTL_W32(CounterAddrLow, cmd | counter_cmd);
ret = rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000); return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000);
RTL_W32(CounterAddrLow, 0);
RTL_W32(CounterAddrHigh, 0);
return ret;
} }
static bool rtl8169_reset_counters(struct net_device *dev) static bool rtl8169_reset_counters(struct net_device *dev)

4
drivers/net/geneve.c
View File

@ -829,7 +829,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
int mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr) - int mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr) -
GENEVE_BASE_HLEN - info->options_len - 14; GENEVE_BASE_HLEN - info->options_len - 14;
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu); skb_dst_update_pmtu(skb, mtu);
} }
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
@ -875,7 +875,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
int mtu = dst_mtu(dst) - sizeof(struct ipv6hdr) - int mtu = dst_mtu(dst) - sizeof(struct ipv6hdr) -
GENEVE_BASE_HLEN - info->options_len - 14; GENEVE_BASE_HLEN - info->options_len - 14;
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu); skb_dst_update_pmtu(skb, mtu);
} }
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);

5
drivers/net/vrf.c
View File

@ -673,8 +673,9 @@ static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev,
struct sock *sk, struct sock *sk,
struct sk_buff *skb) struct sk_buff *skb)
{ {
/* don't divert multicast */ /* don't divert multicast or local broadcast */
if (ipv4_is_multicast(ip_hdr(skb)->daddr)) if (ipv4_is_multicast(ip_hdr(skb)->daddr) ||
ipv4_is_lbcast(ip_hdr(skb)->daddr))
return skb; return skb;
if (qdisc_tx_is_default(vrf_dev)) if (qdisc_tx_is_default(vrf_dev))

6
drivers/net/vxlan.c
View File

@ -2158,8 +2158,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
if (skb_dst(skb)) { if (skb_dst(skb)) {
int mtu = dst_mtu(ndst) - VXLAN_HEADROOM; int mtu = dst_mtu(ndst) - VXLAN_HEADROOM;
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb_dst_update_pmtu(skb, mtu);
skb, mtu);
} }
tos = ip_tunnel_ecn_encap(tos, old_iph, skb); tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
@ -2200,8 +2199,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
if (skb_dst(skb)) { if (skb_dst(skb)) {
int mtu = dst_mtu(ndst) - VXLAN6_HEADROOM; int mtu = dst_mtu(ndst) - VXLAN6_HEADROOM;
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb_dst_update_pmtu(skb, mtu);
skb, mtu);
} }
tos = ip_tunnel_ecn_encap(tos, old_iph, skb); tos = ip_tunnel_ecn_encap(tos, old_iph, skb);

26
fs/btrfs/delayed-inode.c
View File

@ -1633,28 +1633,18 @@ void btrfs_readdir_put_delayed_items(struct inode *inode,
int btrfs_should_delete_dir_index(struct list_head *del_list, int btrfs_should_delete_dir_index(struct list_head *del_list,
u64 index) u64 index)
{ {
struct btrfs_delayed_item *curr, *next; struct btrfs_delayed_item *curr;
int ret; int ret = 0;
if (list_empty(del_list)) list_for_each_entry(curr, del_list, readdir_list) {
return 0;
list_for_each_entry_safe(curr, next, del_list, readdir_list) {
if (curr->key.offset > index) if (curr->key.offset > index)
break; break;
if (curr->key.offset == index) {
list_del(&curr->readdir_list); ret = 1;
ret = (curr->key.offset == index); break;
}
if (refcount_dec_and_test(&curr->refs))
kfree(curr);
if (ret)
return 1;
else
continue;
} }
return 0; return ret;
} }
/* /*

7
fs/orangefs/file.c
View File

@ -452,7 +452,7 @@ ssize_t orangefs_inode_read(struct inode *inode,
static ssize_t orangefs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter) static ssize_t orangefs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter)
{ {
struct file *file = iocb->ki_filp; struct file *file = iocb->ki_filp;
loff_t pos = *(&iocb->ki_pos); loff_t pos = iocb->ki_pos;
ssize_t rc = 0; ssize_t rc = 0;
BUG_ON(iocb->private); BUG_ON(iocb->private);
@ -492,9 +492,6 @@ static ssize_t orangefs_file_write_iter(struct kiocb *iocb, struct iov_iter *ite
} }
} }
if (file->f_pos > i_size_read(file->f_mapping->host))
orangefs_i_size_write(file->f_mapping->host, file->f_pos);
rc = generic_write_checks(iocb, iter); rc = generic_write_checks(iocb, iter);
if (rc <= 0) { if (rc <= 0) {
@ -508,7 +505,7 @@ static ssize_t orangefs_file_write_iter(struct kiocb *iocb, struct iov_iter *ite
* pos to the end of the file, so we will wait till now to set * pos to the end of the file, so we will wait till now to set
* pos... * pos...
*/ */
pos = *(&iocb->ki_pos); pos = iocb->ki_pos;
rc = do_readv_writev(ORANGEFS_IO_WRITE, rc = do_readv_writev(ORANGEFS_IO_WRITE,
file, file,

11
fs/orangefs/orangefs-kernel.h
View File

@ -533,17 +533,6 @@ do { \
sys_attr.mask = ORANGEFS_ATTR_SYS_ALL_SETABLE; \ sys_attr.mask = ORANGEFS_ATTR_SYS_ALL_SETABLE; \
} while (0) } while (0)
static inline void orangefs_i_size_write(struct inode *inode, loff_t i_size)
{
#if BITS_PER_LONG == 32 && defined(CONFIG_SMP)
inode_lock(inode);
#endif
i_size_write(inode, i_size);
#if BITS_PER_LONG == 32 && defined(CONFIG_SMP)
inode_unlock(inode);
#endif
}
static inline void orangefs_set_timeout(struct dentry *dentry) static inline void orangefs_set_timeout(struct dentry *dentry)
{ {
unsigned long time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000; unsigned long time = jiffies + orangefs_dcache_timeout_msecs*HZ/1000;

8
include/net/dst.h
View File

@ -504,4 +504,12 @@ static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
} }
#endif #endif
static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu)
{
struct dst_entry *dst = skb_dst(skb);
if (dst && dst->ops->update_pmtu)
dst->ops->update_pmtu(dst, NULL, skb, mtu);
}
#endif /* _NET_DST_H */ #endif /* _NET_DST_H */

10
include/net/net_namespace.h
View File

@ -223,6 +223,11 @@ int net_eq(const struct net *net1, const struct net *net2)
return net1 == net2; return net1 == net2;
} }
static inline int check_net(const struct net *net)
{
return refcount_read(&net->count) != 0;
}
void net_drop_ns(void *); void net_drop_ns(void *);
#else #else
@ -247,6 +252,11 @@ int net_eq(const struct net *net1, const struct net *net2)
return 1; return 1;
} }
static inline int check_net(const struct net *net)
{
return 1;
}
#define net_drop_ns NULL #define net_drop_ns NULL
#endif #endif

3
net/dccp/ccids/ccid2.c
View File

@ -140,6 +140,9 @@ static void ccid2_hc_tx_rto_expire(struct timer_list *t)
ccid2_pr_debug("RTO_EXPIRE\n"); ccid2_pr_debug("RTO_EXPIRE\n");
if (sk->sk_state == DCCP_CLOSED)
goto out;
/* back-off timer */ /* back-off timer */
hc->tx_rto <<= 1; hc->tx_rto <<= 1;
if (hc->tx_rto > DCCP_RTO_MAX) if (hc->tx_rto > DCCP_RTO_MAX)

3
net/ipv4/ip_tunnel.c
View File

@ -520,8 +520,7 @@ static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb,
else else
mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu; mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
if (skb_dst(skb)) skb_dst_update_pmtu(skb, mtu);
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
if (skb->protocol == htons(ETH_P_IP)) { if (skb->protocol == htons(ETH_P_IP)) {
if (!skb_is_gso(skb) && if (!skb_is_gso(skb) &&

2
net/ipv4/ip_vti.c
View File

@ -200,7 +200,7 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
mtu = dst_mtu(dst); mtu = dst_mtu(dst);
if (skb->len > mtu) { if (skb->len > mtu) {
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu); skb_dst_update_pmtu(skb, mtu);
if (skb->protocol == htons(ETH_P_IP)) { if (skb->protocol == htons(ETH_P_IP)) {
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
htonl(mtu)); htonl(mtu));

3
net/ipv4/tcp.c
View File

@ -2322,6 +2322,9 @@ adjudge_to_death:
tcp_send_active_reset(sk, GFP_ATOMIC); tcp_send_active_reset(sk, GFP_ATOMIC);
__NET_INC_STATS(sock_net(sk), __NET_INC_STATS(sock_net(sk),
LINUX_MIB_TCPABORTONMEMORY); LINUX_MIB_TCPABORTONMEMORY);
} else if (!check_net(sock_net(sk))) {
/* Not possible to send reset; just close */
tcp_set_state(sk, TCP_CLOSE);
} }
} }

15
net/ipv4/tcp_timer.c
View File

@ -48,11 +48,19 @@ static void tcp_write_err(struct sock *sk)
* to prevent DoS attacks. It is called when a retransmission timeout * to prevent DoS attacks. It is called when a retransmission timeout
* or zero probe timeout occurs on orphaned socket. * or zero probe timeout occurs on orphaned socket.
* *
* Also close if our net namespace is exiting; in that case there is no
* hope of ever communicating again since all netns interfaces are already
* down (or about to be down), and we need to release our dst references,
* which have been moved to the netns loopback interface, so the namespace
* can finish exiting. This condition is only possible if we are a kernel
* socket, as those do not hold references to the namespace.
*
* Criteria is still not confirmed experimentally and may change. * Criteria is still not confirmed experimentally and may change.
* We kill the socket, if: * We kill the socket, if:
* 1. If number of orphaned sockets exceeds an administratively configured * 1. If number of orphaned sockets exceeds an administratively configured
* limit. * limit.
* 2. If we have strong memory pressure. * 2. If we have strong memory pressure.
* 3. If our net namespace is exiting.
*/ */
static int tcp_out_of_resources(struct sock *sk, bool do_reset) static int tcp_out_of_resources(struct sock *sk, bool do_reset)
{ {
@ -81,6 +89,13 @@ static int tcp_out_of_resources(struct sock *sk, bool do_reset)
__NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONMEMORY); __NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONMEMORY);
return 1; return 1;
} }
if (!check_net(sock_net(sk))) {
/* Not possible to send reset; just close */
tcp_done(sk);
return 1;
}
return 0; return 0;
} }

6
net/ipv6/ip6_tunnel.c
View File

@ -642,8 +642,7 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (rel_info > dst_mtu(skb_dst(skb2))) if (rel_info > dst_mtu(skb_dst(skb2)))
goto out; goto out;
skb_dst(skb2)->ops->update_pmtu(skb_dst(skb2), NULL, skb2, skb_dst_update_pmtu(skb2, rel_info);
rel_info);
} }
icmp_send(skb2, rel_type, rel_code, htonl(rel_info)); icmp_send(skb2, rel_type, rel_code, htonl(rel_info));
@ -1134,8 +1133,7 @@ route_lookup:
mtu = 576; mtu = 576;
} }
if (skb_dst(skb) && !t->parms.collect_md) skb_dst_update_pmtu(skb, mtu);
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
if (skb->len - t->tun_hlen - eth_hlen > mtu && !skb_is_gso(skb)) { if (skb->len - t->tun_hlen - eth_hlen > mtu && !skb_is_gso(skb)) {
*pmtu = mtu; *pmtu = mtu;
err = -EMSGSIZE; err = -EMSGSIZE;

2
net/ipv6/ip6_vti.c
View File

@ -483,7 +483,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
mtu = dst_mtu(dst); mtu = dst_mtu(dst);
if (!skb->ignore_df && skb->len > mtu) { if (!skb->ignore_df && skb->len > mtu) {
skb_dst(skb)->ops->update_pmtu(dst, NULL, skb, mtu); skb_dst_update_pmtu(skb, mtu);
if (skb->protocol == htons(ETH_P_IPV6)) { if (skb->protocol == htons(ETH_P_IPV6)) {
if (mtu < IPV6_MIN_MTU) if (mtu < IPV6_MIN_MTU)

4
net/ipv6/sit.c
View File

@ -934,8 +934,8 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
df = 0; df = 0;
} }
if (tunnel->parms.iph.daddr && skb_dst(skb)) if (tunnel->parms.iph.daddr)
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu); skb_dst_update_pmtu(skb, mtu);
if (skb->len > mtu && !skb_is_gso(skb)) { if (skb->len > mtu && !skb_is_gso(skb)) {
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);

2
net/vmw_vsock/af_vsock.c
View File

@ -951,7 +951,7 @@ static unsigned int vsock_poll(struct file *file, struct socket *sock,
* POLLOUT|POLLWRNORM when peer is closed and nothing to read, * POLLOUT|POLLWRNORM when peer is closed and nothing to read,
* but local send is not shutdown. * but local send is not shutdown.
*/ */
if (sk->sk_state == TCP_CLOSE) { if (sk->sk_state == TCP_CLOSE || sk->sk_state == TCP_CLOSING) {
if (!(sk->sk_shutdown & SEND_SHUTDOWN)) if (!(sk->sk_shutdown & SEND_SHUTDOWN))
mask |= POLLOUT | POLLWRNORM; mask |= POLLOUT | POLLWRNORM;