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Fix port-data memory leak in usb-serial probe error path by moving port
data allocation to port_probe.
Since commit a1028f0abf ("usb: usb_wwan: replace release and disconnect
with a port_remove hook") port data is deallocated in port_remove. This
leaves a possibility for memory leaks if usb-serial probe fails after
attach but before the port in question has been successfully registered.
Note that this patch also fixes two additional memory leaks in the error
path of attach should port initialisation fail for any port as the urbs
were never freed and neither was the data of any of the successfully
initialised ports.
Compile-only tested.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix NULL-pointer dereference at release by moving port data allocation
and deallocation to port_probe and port_remove.
Fix NULL-pointer dereference at disconnect by stopping port urbs at
port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer accessible at
disconnect or release.
Note that this patch also fixes port and interface-data memory leaks in
the error path of attach should port initialisation fail for any port.
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure generic close is called at close.
The driver relies on the generic write implementation but did not call
generic close.
Note that the call to kill the read urb is not redundant, as mct_u232
uses an interrupt urb from the second port as the read urb and that
generic close therefore fails to kill it.
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Note that the write waitqueue was initialised but never used.
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure to allocate the control-message buffer dynamically as some
platforms cannot do DMA from stack.
Note that only the first byte of the old buffer was used.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure no control urb is submitted during close after a disconnect by
checking the disconnected flag.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Kill urbs unconditionally at close and disconnect.
Note that URB status is not valid outside of completion handler.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Note that this also fixes memory leaks in the error path of attach where
the write urbs were not freed on errors.
Make sure all interface-data deallocation is done in release by moving
the read urb deallocation from disconnect.
Note that the write urb is killed during close so that the call in
disconnect was superfluous.
Compile-only tested.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix memory leak in attach error path where the read urb was never freed.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by replacing attach and release with
port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Note that this patch also fixes a second port-data memory leak in the
error path of attach, should parallel-port initialisation fail.
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Note that the oob port is never registered as a port device and should
thus be handled in attach and release.
Compile-only tested.
Cc: Peter Berger <pberger@brimson.com>
Cc: Al Borchers <alborchers@steinerpoint.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation to port_probe
and actually implementing deallocation.
Note that this driver has never even bothered to try to deallocate it's
port data...
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Note that the fifth port (command port) is never registered as a
port device and thus should be handled in attach and release.
Compile-only tested.
Cc: <support@connecttech.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure command buffer is deallocated in case of errors during attach.
Cc: <support@connecttech.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure no control urb is submitted during close after a disconnect by
checking the disconnected flag.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.
Since commit 0998d0631001288 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.
Note that the call to metrousb_clean (close) in shutdown was redundant.
Compile-only tested.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We copy head count to a 16 bit field, this works by chance on LE but on
BE guest gets 0. Fix it up.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Alexander Graf <agraf@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
When using a 36 bit dtb file, the driver complains "resource busy".
Investigating the source of the message leads one to the
gianfar_ptp_probe function.
Since the type of the device resource requested in this function
is IORESOURCE_MEM, it should use "iomem_resource" instead of
"ioports_resource".
Signed-off-by: Wei Yang <Wei.Yang@windriver.com>
Cc: Claudiu Manoil <claudiu.manoil@freescale.com>
Cc: Timur Tabi <timur@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Marc Kleine-Budde says:
====================
here are two patches for the v3.7 release cycle. A patch by Wolfgang Grandegger
for the flexcan driver, which switches off a workaround on the imx6q that is
not needed, because the hardware is not affected by that bug. And a patch by
Stephane Grosjean which updates the pci device table for the peak pci sja1000
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The cpsw/davinci mdio ip cores are present on am33xx, so make NET_VENDOR_TI
visible for it as well.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
If we fail to allocate rx buffers pool by any reason, we'll just return
with an error, however we've previously successfully requested an irq. Fix
this by releasing the irq before returning the error.
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A bunch of fixes here, mostly minor except for the pl022 which has just
been a bit of a shambles all round, the recent runtime PM changes have
as far as I can tell never worked so they're just getting thrown out.
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Merge tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc
Pull spi fixes from Mark Brown:
"A bunch of fixes here, mostly minor except for the pl022 which has
just been a bit of a shambles all round, the recent runtime PM changes
have as far as I can tell never worked so they're just getting thrown
out."
* tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc:
spi/pl022: Revert recent runtime PM changes
spi: tsc2005: delete soon-obsolete e-mail address
spi: spi-rspi: fix build error for the latest shdma driver
Two fixes this time:
1. Another fix for a broken BIOS to detect when AMD IOMMU
interrupt remapping can not work reliably
2. Typo fix for NVidia IOMMU driver
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Merge tag 'iommu-fixes-v3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Two fixes this time:
1. Another fix for a broken BIOS to detect when AMD IOMMU interrupt
remapping can not work reliably
2. Typo fix for NVidia IOMMU driver"
* tag 'iommu-fixes-v3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/tegra: smmu: Fix deadly typo
iommu/amd: Work around wrong IOAPIC device-id in IVRS table
- Section tagging for init code
- Use proper pointers to lookup struct device * in the
bcm2835 (a.k.a. Raspberry Pi)
- Remove duplicate #includes
- Fix bad return values in errorpath
- Remove extraneous pull function from the sirf driver
causing build errors
- Provide compilation stubs for the Nomadik pinctrl driver
when used with legacy systems without PRCMU units
- Various irqdomain fixes in the Nomadik driver as predicted
- Various smallish bugs in the Tegra driver, most also
targeted for stable
- Removed a deadlocking mutex in the groups debugfs show
function
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Merge tag 'pinctrl-v3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fixes from Linus Walleij:
"This fixes a few pinctrl problems seen since v3.7-rc1:
- Section tagging for init code
- Use proper pointers to lookup struct device * in the bcm2835
(a.k.a. Raspberry Pi)
- Remove duplicate #includes
- Fix bad return values in errorpath
- Remove extraneous pull function from the sirf driver causing build
errors
- Provide compilation stubs for the Nomadik pinctrl driver when used
with legacy systems without PRCMU units
- Various irqdomain fixes in the Nomadik driver as predicted
- Various smallish bugs in the Tegra driver, most also targeted for
stable
- Removed a deadlocking mutex in the groups debugfs show function"
* tag 'pinctrl-v3.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl/nomadik: pass DT node to the irqdomain
pinctrl/nomadik: use zero as default irq_start
pinctrl: fix missing unlock on error in pinctrl_groups_show()
pinctrl/nomadik: use irq_create_mapping()
pinctrl: remove mutex lock in groups show
pinctrl: tegra: correct bank for pingroup and drv pingroup
pinctrl: tegra: set low power mode bank width to 2
dt: Document: correct tegra20/30 pinctrl slew-rate name
This should get rid of warnings of the type:
warning: passing argument 1 of '' discards qualifiers from pointer target type
note: expected 'void *' but argument is of type 'const void *'
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Due to data type change, readl can no longer receive a u32.
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change the type of sync_addr to 'void __iomem *' and ioremap the
physical address in the shared memory so we can access it using
_raw_*. While at it, drop 'dw_' prefix.
Fix the warning associated with dsp's sync_addr:
warning: passing argument 2 of '__raw_writel' makes pointer from integer without a cast
../io.h:88: note: expected 'volatile void *' but argument is of type 'u32'
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently per_pm_base and core_pm_base are declared as u32, however
_raw_* changed the data type, since:
195bbca ARM: 7500/1: io: avoid writeback addressing modes for __raw_ accessors
This should fix warnings for per and core accesses:
warning: passing argument 2 of '__raw_writel' makes pointer from integer without a cast
../io.h:88: note: expected 'volatile void *' but argument is of type 'u32'
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Custom mmu functions receive a 'const void __iomem *', all the
callers pass a 'void __iomem *', so drop the const to fix the
warnings like:
warning: passing argument 2 of '__raw_writel' discards qualifiers from pointer target type
../io.h:88: note: expected 'volatile void *' but argument is of type 'const void *'
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Requested irq for mmu is currently conflicting with a DMA irq
due to recent changes to irq header files, now the offset for the
start of the interrupt controller numbering has changed.
This should be removed during a future migration to omap-iommu,
for now it is hardcoded.
Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the module_i2c_driver() macro to make the code smaller
and a bit simpler.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the pointless NULL dereference above the NULL test.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This config item has not carried much meaning for a while now and is
almost always enabled by default. As agreed during the Linux kernel
summit, remove it.
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Paul Walmsley <paul@pwsan.com>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix a memory leak in the error handling path in the function vmbus_open().
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reported-by: Jason Wang <jasowang@redhat.com>
Cc: Stable <stable@vger.kernel.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The variables guidtype, guidinstance and initiate are initialized but
never used otherwise, so remove the unused variables.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Get rid of unnecessary forward declarations.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reported-by: Jason Wang <jasowang@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This device extends the uio_pdrv_genirq driver to provide limited
dynamic memory allocation for UIO devices. This allows UIO devices
to use CMA and IOMMU allocated memory regions. This driver is based
on the uio_pdrv_genirq driver and provides the same generic interrupt
handling capabilities. Like uio_prdv_genirq,
a fixed number of memory regions, defined in the platform device's
.resources field are exported to userpace. This driver adds the ability
to export additional regions whose number and size are known at boot time,
but whose memory is not allocated until the uio device file is opened for
the first time. When the device file is closed, the allocated memory block
is freed. Physical (DMA) addresses for the dynamic regions are provided to
the userspace via /sys/class/uio/uioX/maps/mapY/addr in the same way as
static addresses are when the uio device file is open, when no processes
are holding the device file open, the address returned to userspace is
DMA_ERROR_CODE.
Signed-off-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Signed-off-by: "Hans J. Koch" <hjk@hansjkoch.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
move the mei_io_cb_ wrappers to to iorw.c for global use
and use them also for handling control flows
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1. cb_private was an old name that we depriacated in earlier
cleanups
2. we also group the funcion declaration with other _io_
functions
3. Don't check cb for NULL as mei_io_cb_free is NULL safe
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kill useless mei_io_list list wrapper and use directly
struct mei_cl_cb mei_cb which was its only member for managing io queues
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1. unify common amt and regular error path and use it early in the
function
2. fix indentation
3. propagate error code directly from copy_from_user
4. print out errors using dev_err instead of dev_dbg
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei_io_cb_init - allocat and initializate mei_cl_cb
mei_io_cb_alloc_req/resp_buf are separate function as buffers
are not always needed
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
rename 'information' member of the struct mei_cl_cb to
more self-descriptive 'buf_idx'
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the /dev/mem driver to use phys_addr_t for physical
addresses. This is required on PAE systems, especially those that run
entirely out of >4G physical memory space.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On ARCH=alpha make allmodconfig:
linux-2.6/drivers/staging/ipack/bridges/tpci200.c: In function 'tpci200_free_irq':
linux-2.6/drivers/staging/ipack/bridges/tpci200.c:188:2: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration]
linux-2.6/drivers/staging/ipack/bridges/tpci200.c: In function 'tpci200_request_irq':
linux-2.6/drivers/staging/ipack/bridges/tpci200.c:215:2: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
Fixed by adding <linux/slab.h> header
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
CC: Jens Taprogge <jens.taprogge@taprogge.org>
CC: "Miguel Gómez" <magomez@igalia.com>
CC: devel@driverdev.osuosl.org
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
