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This patch move the define for IRNET_MINOR to include/linux/miscdevice.h
It is better that all minor number definitions are in the same place.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The only use of miscdevice is irda_ppp so no need to include
linux/miscdevice.h for all irda files.
This patch move the linux/miscdevice.h include to irnet_ppp.h
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
irproc.c does not use any miscdevice so this patch remove this
unnecessary inclusion.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The member 'effective' in 'struct cgroup_bpf' is protected by RCU.
Annotate it accordingly to squelch a sparse warning.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tom Herbert says:
====================
inet: Fixes for inet_csk_get_port and soreusport
This patch set fixes a couple of issues I noticed while debugging our
softlockup issue in inet_csk_get_port.
- Don't allow jump into port scan in inet_csk_get_port if function
was called with non-zero port number (looking up explicit port
number).
- When inet_csk_get_port is called with zero port number (ie. perform
scan) an reuseport is set on the socket, don't match sockets that
also have reuseport set. The intent from the user should be
to get a new port number and then explictly bind other
sockets to that number using soreuseport.
Tested:
Ran first patch on production workload with no ill effect.
For second patch, ran a little listener application and first
demonstrated that unbound sockets with soreuseport can indeed
be bound to unrelated soreuseport sockets.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
A user may call listen with binding an explicit port with the intent
that the kernel will assign an available port to the socket. In this
case inet_csk_get_port does a port scan. For such sockets, the user may
also set soreuseport with the intent a creating more sockets for the
port that is selected. The problem is that the initial socket being
opened could inadvertently choose an existing and unreleated port
number that was already created with soreuseport.
This patch adds a boolean parameter to inet_bind_conflict that indicates
rather soreuseport is allowed for the check (in addition to
sk->sk_reuseport). In calls to inet_bind_conflict from inet_csk_get_port
the argument is set to true if an explicit port is being looked up (snum
argument is nonzero), and is false if port scan is done.
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
inet_csk_get_port is called with port number (snum argument) that may be
zero or nonzero. If it is zero, then the intent is to find an available
ephemeral port number to bind to. If snum is non-zero then the caller
is asking to allocate a specific port number. In the latter case we
never want to perform the scan in ephemeral port range. It is
conceivable that this can happen if the "goto again" in "tb_found:"
is done. This patch adds a check that snum is zero before doing
the "goto again".
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Running ./test_verifier as unprivileged lets 1 out of 98 tests fail:
[...]
#71 unpriv: check that printk is disallowed FAIL
Unexpected error message!
0: (7a) *(u64 *)(r10 -8) = 0
1: (bf) r1 = r10
2: (07) r1 += -8
3: (b7) r2 = 8
4: (bf) r3 = r1
5: (85) call bpf_trace_printk#6
unknown func bpf_trace_printk#6
[...]
The test case is correct, just that the error outcome changed with
ebb676daa1a3 ("bpf: Print function name in addition to function id").
Same as with e00c7b216f34 ("bpf: fix multiple issues in selftest suite
and samples") issue 2), so just fix up the function name.
Fixes: ebb676daa1a3 ("bpf: Print function name in addition to function id")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 57a09bf0a416 ("bpf: Detect identical PTR_TO_MAP_VALUE_OR_NULL
registers") introduced a regression where existing programs stopped
loading due to reaching the verifier's maximum complexity limit,
whereas prior to this commit they were loading just fine; the affected
program has roughly 2k instructions.
What was found is that state pruning couldn't be performed effectively
anymore due to mismatches of the verifier's register state, in particular
in the id tracking. It doesn't mean that 57a09bf0a416 is incorrect per
se, but rather that verifier needs to perform a lot more work for the
same program with regards to involved map lookups.
Since commit 57a09bf0a416 is only about tracking registers with type
PTR_TO_MAP_VALUE_OR_NULL, the id is only needed to follow registers
until they are promoted through pattern matching with a NULL check to
either PTR_TO_MAP_VALUE or UNKNOWN_VALUE type. After that point, the
id becomes irrelevant for the transitioned types.
For UNKNOWN_VALUE, id is already reset to 0 via mark_reg_unknown_value(),
but not so for PTR_TO_MAP_VALUE where id is becoming stale. It's even
transferred further into other types that don't make use of it. Among
others, one example is where UNKNOWN_VALUE is set on function call
return with RET_INTEGER return type.
states_equal() will then fall through the memcmp() on register state;
note that the second memcmp() uses offsetofend(), so the id is part of
that since d2a4dd37f6b4 ("bpf: fix state equivalence"). But the bisect
pointed already to 57a09bf0a416, where we really reach beyond complexity
limit. What I found was that states_equal() often failed in this
case due to id mismatches in spilled regs with registers in type
PTR_TO_MAP_VALUE. Unlike non-spilled regs, spilled regs just perform
a memcmp() on their reg state and don't have any other optimizations
in place, therefore also id was relevant in this case for making a
pruning decision.
We can safely reset id to 0 as well when converting to PTR_TO_MAP_VALUE.
For the affected program, it resulted in a ~17 fold reduction of
complexity and let the program load fine again. Selftest suite also
runs fine. The only other place where env->id_gen is used currently is
through direct packet access, but for these cases id is long living, thus
a different scenario.
Also, the current logic in mark_map_regs() is not fully correct when
marking NULL branch with UNKNOWN_VALUE. We need to cache the destination
reg's id in any case. Otherwise, once we marked that reg as UNKNOWN_VALUE,
it's id is reset and any subsequent registers that hold the original id
and are of type PTR_TO_MAP_VALUE_OR_NULL won't be marked UNKNOWN_VALUE
anymore, since mark_map_reg() reuses the uncached regs[regno].id that
was just overridden. Note, we don't need to cache it outside of
mark_map_regs(), since it's called once on this_branch and the other
time on other_branch, which are both two independent verifier states.
A test case for this is added here, too.
Fixes: 57a09bf0a416 ("bpf: Detect identical PTR_TO_MAP_VALUE_OR_NULL registers")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Locally originated traffic in a VRF fails in the presence of a POSTROUTING
rule. For example,
$ iptables -t nat -A POSTROUTING -s 11.1.1.0/24 -j MASQUERADE
$ ping -I red -c1 11.1.1.3
ping: Warning: source address might be selected on device other than red.
PING 11.1.1.3 (11.1.1.3) from 11.1.1.2 red: 56(84) bytes of data.
ping: sendmsg: Operation not permitted
Worse, the above causes random corruption resulting in a panic in random
places (I have not seen a consistent backtrace).
Call nf_reset to drop the conntrack info following the pass through the
VRF device. The nf_reset is needed on Tx but not Rx because of the order
in which NF_HOOK's are hit: on Rx the VRF device is after the real ingress
device and on Tx it is is before the real egress device. Connection
tracking should be tied to the real egress device and not the VRF device.
Fixes: 8f58336d3f78a ("net: Add ethernet header for pass through VRF device")
Fixes: 35402e3136634 ("net: Add IPv6 support to VRF device")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Connection tracking with VRF is broken because the pass through the VRF
device drops the connection tracking info. Removing the call to nf_reset
allows DNAT and MASQUERADE to work across interfaces within a VRF.
Fixes: 73e20b761acf ("net: vrf: Add support for PREROUTING rules on vrf device")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Paul Blakey says:
====================
net/sched: cls_flower: Fix mask handling
The series fix how the mask is being handled.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Zero bits on the mask signify a "don't care" on the corresponding bits
in key. Some HWs require those bits on the key to be zero. Since these
bits are masked anyway, it's okay to provide the masked key to all
drivers.
Fixes: 5b33f48842fa ('net/flower: Introduce hardware offload support')
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When addr_type is set, mask should also be set.
Fixes: 66530bdf85eb ('sched,cls_flower: set key address type when present')
Fixes: bc3103f1ed40 ('net/sched: cls_flower: Classify packet in ip tunnels')
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are hardware PCI implementations of Cadence GEM network
controller. This patch will allow to use such hardware with reuse of
existing Platform Driver.
Signed-off-by: Bartosz Folta <bfolta@cadence.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include calculations to compute the number of segments
that comprise an aggregated large packet.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Jonathan Maxwell <jmaxwell37@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On ACPI systems, clocks are not available to drivers directly. They are
handled exclusively by ACPI and/or firmware, so there is no clock driver.
Calls to clk_get() always fail, so we should not even attempt to claim
any clocks on ACPI systems.
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently bd_addr lives in mm_struct, which is otherwise architecture
independent. Architecture-specific data is supposed to live within
mm_context_t (itself contained in mm_struct).
Other x86-specific context like the pkey accounting data lives in
mm_context_t, and there's no readon the MPX data can't also live there.
So as to keep the arch-specific data togather, and to set a good example
for others, this patch moves bd_addr into x86's mm_context_t.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1481892055-24596-1-git-send-email-mark.rutland@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Like other Y700 models Lenovo Y700 15-ACZ does not have a physical rfkill switch.
ideapad-laptop wrongly reports all radios as blocked by hardware which causes
wireless network connections to fail.
Add this model without an rfkill switch to the no_hw_rfkill list.
Signed-off-by: Artiom Vaskov <velemas@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The Surface 3 is not following the ACPI spec for PNP0C40, but nearly.
The device is connected to a I2C device that might have some magic
but we don't know about.
Just create the device after the enumeration and use the declared GPIOs
to provide button support.
This driver is just an adaptation of drivers/input/misc/soc_button_array.c
The Surface Pro 3 is using an ACPI driver and matches against the bid
of the device ("VGBI"). To prevent this incompatible driver to be used
on the Surface Pro, we add a match on the Surface 3 bid "TEV2".
link: https://bugzilla.kernel.org/show_bug.cgi?id=102761
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The LID state provided by ACPI on the Surface 3 is not accurate.
The ACPI node doesn't get notified on LID open, which means the
LID input switch stays close most of the time.
Fortunatelly, there is a WMI method which directly queries the
GPIO underneath the LID state, so it's far more reliable than ACPI.
To get the notifications that the LID was opened/closed, we can
rely on the ACPI notification of the touchscreen: the DSDT shows
that the touchscreen will get notified on close/open as it also
controls its _STA method.
Note that we need to set the tag "power-switch" to the LID
input node through a udev rule for logind to accept it:
SUBSYSTEM=="input", KERNEL=="event*", KERNELS=="surface3-wmi", \
TAG+="power-switch"
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Add calls for mlxcpld-hotplug platform driver registration/unregistration
and add platform hotplug data configurations. This driver, when registered
within system will handle system hot-plug events for the power suppliers,
power cables and fans (insertion and removing). These events are
controlled through CPLD Lattice device.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since mlx-platform is not an architectural driver, it is moved out
of arch/x86/platform to drivers/platform/x86.
Relevant Makefile and Kconfig are updated.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The semantics of the old tile __write_once are the same as the
newer generic __ro_after_init, so rename them all and get rid
of the tile-specific version.
This does not enable actual support for __ro_after_init,
which had been dropped from the tile architecture before the
initial upstreaming was done, since we had at that time switched
to using 16MB huge pages to map the kernel.
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
These files were only including module.h for exception table
related functions. We've now separated that content out into its
own file "extable.h" so now move over to that and avoid all the
extra header content in module.h that we don't really need to compile
these files.
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
This directive was put in the kernel source before the "pragma
unroll" support for tilegx gcc was upstreamed. Remove it for
now, and we can put it back later if/when the compiler support
is upstreamed. This avoids a warning when building the kernel.
This routine is not on a hot path in any case, so the extra
optimization here was mostly just for its own sake.
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
Adjust jump labels according to the current Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
* A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".
* Replace the specification of a data type by a pointer dereference
to make the corresponding size determination a bit safer according to
the Linux coding style convention.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
trivial fix to spelling mistake in pr_warn message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
- a large rework of cephx auth code to cope with CONFIG_VMAP_STACK
(myself). Also fixed a deadlock caused by a bogus allocation on the
writeback path and authorize reply verification.
- a fix for long stalls during fsync (Jeff Layton). The client now
has a way to force the MDS log flush, leading to ~100x speedups in
some synthetic tests.
- a new [no]require_active_mds mount option (Zheng Yan). On mount, we
will now check whether any of the MDSes are available and bail rather
than block if none are. This check can be avoided by specifying the
"no" option.
- a couple of MDS cap handling fixes and a few assorted patches
throughout.
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Merge tag 'ceph-for-4.10-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"A varied set of changes:
- a large rework of cephx auth code to cope with CONFIG_VMAP_STACK
(myself). Also fixed a deadlock caused by a bogus allocation on the
writeback path and authorize reply verification.
- a fix for long stalls during fsync (Jeff Layton). The client now
has a way to force the MDS log flush, leading to ~100x speedups in
some synthetic tests.
- a new [no]require_active_mds mount option (Zheng Yan).
On mount, we will now check whether any of the MDSes are available
and bail rather than block if none are. This check can be avoided
by specifying the "no" option.
- a couple of MDS cap handling fixes and a few assorted patches
throughout"
* tag 'ceph-for-4.10-rc1' of git://github.com/ceph/ceph-client: (32 commits)
libceph: remove now unused finish_request() wrapper
libceph: always signal completion when done
ceph: avoid creating orphan object when checking pool permission
ceph: properly set issue_seq for cap release
ceph: add flags parameter to send_cap_msg
ceph: update cap message struct version to 10
ceph: define new argument structure for send_cap_msg
ceph: move xattr initialzation before the encoding past the ceph_mds_caps
ceph: fix minor typo in unsafe_request_wait
ceph: record truncate size/seq for snap data writeback
ceph: check availability of mds cluster on mount
ceph: fix splice read for no Fc capability case
ceph: try getting buffer capability for readahead/fadvise
ceph: fix scheduler warning due to nested blocking
ceph: fix printing wrong return variable in ceph_direct_read_write()
crush: include mapper.h in mapper.c
rbd: silence bogus -Wmaybe-uninitialized warning
libceph: no need to drop con->mutex for ->get_authorizer()
libceph: drop len argument of *verify_authorizer_reply()
libceph: verify authorize reply on connect
...
Pull overlayfs updates from Miklos Szeredi:
"This update contains:
- try to clone on copy-up
- allow renaming a directory
- split source into managable chunks
- misc cleanups and fixes
It does not contain the read-only fd data inconsistency fix, which Al
didn't like. I'll leave that to the next year..."
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: (36 commits)
ovl: fix reStructuredText syntax errors in documentation
ovl: fix return value of ovl_fill_super
ovl: clean up kstat usage
ovl: fold ovl_copy_up_truncate() into ovl_copy_up()
ovl: create directories inside merged parent opaque
ovl: opaque cleanup
ovl: show redirect_dir mount option
ovl: allow setting max size of redirect
ovl: allow redirect_dir to default to "on"
ovl: check for emptiness of redirect dir
ovl: redirect on rename-dir
ovl: lookup redirects
ovl: consolidate lookup for underlying layers
ovl: fix nested overlayfs mount
ovl: check namelen
ovl: split super.c
ovl: use d_is_dir()
ovl: simplify lookup
ovl: check lower existence of rename target
ovl: rename: simplify handling of lower/merged directory
...
Pull btrfs updates from Chris Mason:
"Jeff Mahoney and Dave Sterba have a really nice set of cleanups in
here, and Christoph pitched in corrections/improvements to make btrfs
use proper helpers for bio walking instead of doing it by hand.
There are some key fixes as well, including some long standing bugs
that took forever to track down in btrfs_drop_extents and during
balance"
* 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (77 commits)
btrfs: limit async_work allocation and worker func duration
Revert "Btrfs: adjust len of writes if following a preallocated extent"
Btrfs: don't WARN() in btrfs_transaction_abort() for IO errors
btrfs: opencode chunk locking, remove helpers
btrfs: remove root parameter from transaction commit/end routines
btrfs: split btrfs_wait_marked_extents into normal and tree log functions
btrfs: take an fs_info directly when the root is not used otherwise
btrfs: simplify btrfs_wait_cache_io prototype
btrfs: convert extent-tree tracepoints to use fs_info
btrfs: root->fs_info cleanup, access fs_info->delayed_root directly
btrfs: root->fs_info cleanup, add fs_info convenience variables
btrfs: root->fs_info cleanup, update_block_group{,flags}
btrfs: root->fs_info cleanup, lock/unlock_chunks
btrfs: root->fs_info cleanup, btrfs_calc_{trans,trunc}_metadata_size
btrfs: pull node/sector/stripe sizes out of root and into fs_info
btrfs: root->fs_info cleanup, io_ctl_init
btrfs: root->fs_info cleanup, use fs_info->dev_root everywhere
btrfs: struct reada_control.root -> reada_control.fs_info
btrfs: struct btrfsic_state->root should be an fs_info
btrfs: alloc_reserved_file_extent trace point should use extent_root
...
that makes ACL inheritance a little more useful in environments that
default to restrictive umasks. Requires client-side support, also on
its way for 4.10.
Other than that, miscellaneous smaller fixes and cleanup, especially to
the server rdma code.
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Merge tag 'nfsd-4.10' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"The one new feature is support for a new NFSv4.2 mode_umask attribute
that makes ACL inheritance a little more useful in environments that
default to restrictive umasks. Requires client-side support, also on
its way for 4.10.
Other than that, miscellaneous smaller fixes and cleanup, especially
to the server rdma code"
[ The client side of the umask attribute was merged yesterday ]
* tag 'nfsd-4.10' of git://linux-nfs.org/~bfields/linux:
nfsd: add support for the umask attribute
sunrpc: use DEFINE_SPINLOCK()
svcrdma: Further clean-up of svc_rdma_get_inv_rkey()
svcrdma: Break up dprintk format in svc_rdma_accept()
svcrdma: Remove unused variable in rdma_copy_tail()
svcrdma: Remove unused variables in xprt_rdma_bc_allocate()
svcrdma: Remove svc_rdma_op_ctxt::wc_status
svcrdma: Remove DMA map accounting
svcrdma: Remove BH-disabled spin locking in svc_rdma_send()
svcrdma: Renovate sendto chunk list parsing
svcauth_gss: Close connection when dropping an incoming message
svcrdma: Clear xpt_bc_xps in xprt_setup_rdma_bc() error exit arm
nfsd: constify reply_cache_stats_operations structure
nfsd: update workqueue creation
sunrpc: GFP_KERNEL should be GFP_NOFS in crypto code
nfsd: catch errors in decode_fattr earlier
nfsd: clean up supported attribute handling
nfsd: fix error handling for clients that fail to return the layout
nfsd: more robust allocation failure handling in nfsd_reply_cache_init
Before, encx24j600_rx_packets did not update encx24j600_priv's next_packet
member when an error occurred during packet handling (either because the
packet's RSV header indicates an error or because the encx24j600_receive_packet
method can't allocate an sk_buff).
If the next_packet member is not updated, the ERXTAIL register will be set to
the same value it had before, which means the bad packet remains in the
component's memory and its RSV header will be read again when a new packet
arrives. If the RSV header indicates a bad packet or if sk_buff allocation
continues to fail, new packets will be stored in the component's memory until
that memory is full, after which packets will be dropped.
The SETPKTDEC command is always executed though, so the encx24j600 hardware has
an incorrect count of the packets in its memory.
To prevent this, the next_packet member should always be updated, allowing the
packet to be skipped (either because it's bad, as indicated in its RSV header,
or because allocating an sk_buff failed). In the allocation failure case, this
does mean dropping a valid packet, but dropping the oldest packet to keep as
much memory as possible available for new packets seems preferable to keeping
old (but valid) packets around while dropping new ones.
Signed-off-by: Jeroen De Wachter <jeroen.de_wachter.ext@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dongpo Li says:
====================
net: ethernet: hisilicon: set dev->dev.parent before PHY connect
This patch series builds atop:
ec988ad78ed6d184a7f4ca6b8e962b0e8f1de461 ("phy: Don't increment MDIO bus
refcount unless it's a different owner")
I have checked all the hisilicon ethernet driver and found only two drivers
need to be fixed to make sure set dev->dev.parent before PHY connect.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The hip04 driver calls into PHYLIB which now checks for
net_device->dev.parent, so make sure we do set it before calling into
any MDIO/PHYLIB related function.
Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner")
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hisi_femac driver calls into PHYLIB which now checks for
net_device->dev.parent, so make sure we do set it before calling into
any MDIO/PHYLIB related function.
Fixes: ec988ad78ed6 ("phy: Don't increment MDIO bus refcount unless it's a different owner")
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A port is not necessarily assigned to a netdev. And a port does not
need to be a member of a bridge. So when iterating over all ports,
check before using the netdev and bridge_dev for a port. Otherwise we
dereference a NULL pointer.
Fixes: da9c359e19f0 ("net: dsa: mv88e6xxx: check hardware VLAN in use")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The timer handling in this driver is broken in several ways:
- corkscrew_open() initializes and arms a timer before requesting the
device interrupt. If the request fails the timer stays armed.
A second call to corkscrew_open will unconditionally reinitialize the
quued timer and arm it again. Also a immediate device removal will leave
the timer queued because close() is not called (open() failed) and
therefore nothing issues del_timer().
The reinitialization corrupts the link chain in the timer wheel hash
bucket and causes a NULL pointer dereference when the timer wheel tries
to operate on that hash bucket. Immediate device removal lets the link
chain poke into freed and possibly reused memory.
Solution: Arm the timer after the successful irq request.
- corkscrew_close() uses del_timer()
On close the timer is disarmed with del_timer() which lets the following
code race against a concurrent timer expiry function.
Solution: Use del_timer_sync() instead
- corkscrew_close() calls del_timer() unconditionally
del_timer() is invoked even if the timer was never initialized. This
works by chance because the struct containing the timer is zeroed at
allocation time.
Solution: Move the setup of the timer into corkscrew_setup().
Reported-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull vfs updates from Al Viro:
- more ->d_init() stuff (work.dcache)
- pathname resolution cleanups (work.namei)
- a few missing iov_iter primitives - copy_from_iter_full() and
friends. Either copy the full requested amount, advance the iterator
and return true, or fail, return false and do _not_ advance the
iterator. Quite a few open-coded callers converted (and became more
readable and harder to fuck up that way) (work.iov_iter)
- several assorted patches, the big one being logfs removal
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
logfs: remove from tree
vfs: fix put_compat_statfs64() does not handle errors
namei: fold should_follow_link() with the step into not-followed link
namei: pass both WALK_GET and WALK_MORE to should_follow_link()
namei: invert WALK_PUT logics
namei: shift interpretation of LOOKUP_FOLLOW inside should_follow_link()
namei: saner calling conventions for mountpoint_last()
namei.c: get rid of user_path_parent()
switch getfrag callbacks to ..._full() primitives
make skb_add_data,{_nocache}() and skb_copy_to_page_nocache() advance only on success
[iov_iter] new primitives - copy_from_iter_full() and friends
don't open-code file_inode()
ceph: switch to use of ->d_init()
ceph: unify dentry_operations instances
lustre: switch to use of ->d_init()
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Merge tag 'media/v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new Mediatek drivers: mtk-mdp and mtk-vcodec
- some additions at the media documentation
- the CEC core and drivers were promoted from staging to mainstream
- some cleanups at the DVB core
- the LIRC serial driver got promoted from staging to mainstream
- added a driver for Renesas R-Car FDP1 driver
- add DVBv5 statistics support to mn88473 driver
- several fixes related to printk continuation lines
- add support for HSV encoding formats
- lots of other cleanups, fixups and driver improvements.
* tag 'media/v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (496 commits)
[media] v4l: tvp5150: Add missing break in set control handler
[media] v4l: tvp5150: Don't inline the tvp5150_selmux() function
[media] v4l: tvp5150: Compile tvp5150_link_setup out if !CONFIG_MEDIA_CONTROLLER
[media] em28xx: don't store usb_device at struct em28xx
[media] em28xx: use usb_interface for dev_foo() calls
[media] em28xx: don't change the device's name
[media] mn88472: fix chip id check on probe
[media] mn88473: fix chip id check on probe
[media] lirc: fix error paths in lirc_cdev_add()
[media] s5p-mfc: Add support for MFC v8 available in Exynos 5433 SoCs
[media] s5p-mfc: Rework clock handling
[media] s5p-mfc: Don't keep clock prepared all the time
[media] s5p-mfc: Kill all IS_ERR_OR_NULL in clocks management code
[media] s5p-mfc: Remove dead conditional code
[media] s5p-mfc: Ensure that clock is disabled before turning power off
[media] s5p-mfc: Remove special clock rate management
[media] s5p-mfc: Use printk_ratelimited for reporting ioctl errors
[media] s5p-mfc: Set DMA_ATTR_ALLOC_SINGLE_PAGES
[media] vivid: Set color_enc on HSV formats
[media] v4l2-tpg: Init hv_enc field with a valid value
...
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Merge tag 'edac/v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
Pull edac updates from Mauro Carvalho Chehab:
"This contains the conversion of the EDAC uAPI documentation to ReST
and the addition of the EDAC kAPI documentation to the driver-api
docs.
It also splits the EDAC headers by their functions"
* tag 'edac/v4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac:
EDAC: Document HW_EVENT_ERR_DEFERRED type
edac.rst: move concepts dictionary from edac.h
edac: fix kenel-doc markups at edac.h
edac: fix kernel-doc tags at the drivers/edac_*.h
edac: adjust docs location at MAINTAINERS and 00-INDEX
driver-api: create an edac.rst file with EDAC documentation
edac: move documentation from edac_mc.c to edac_core.h
edac: move documentation from edac_pci*.c to edac_pci.h
edac: move documentation from edac_device to edac_core.h
edac: rename edac_core.h to edac_mc.h
edac: move EDAC device definitions to drivers/edac/edac_device.h
edac: move EDAC PCI definitions to drivers/edac/edac_pci.h
docs-rst: admin-guide: add documentation for EDAC
edac.txt: Improve documentation, adding RAS introduction
edac.txt: update information about newer Intel CPUs
edac.txt: remove info that the Nehalem EDAC is experimental
edac.txt: convert EDAC documentation to ReST
edac.txt: add a section explaining the dimmX and rankX directories
edac: edac_core.h: remove prototype for edac_pci_reset_delay_period()
edac: edac_core.h: get rid of unused kobj_complete
Pull UML update from Richard Weinberger:
"A performance enhancement for UML's block driver"
* 'for-linus-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: UBD Improvements
