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Markus Theil 6b81007aec mac80211: mesh: restrict airtime metric to peered established plinks 
[ Upstream commit 02a6144996 ]

The following warning is triggered every time an unestablished mesh peer
gets dumped. Checks if a peer link is established before retrieving the
airtime link metric.

[ 9563.022567] WARNING: CPU: 0 PID: 6287 at net/mac80211/mesh_hwmp.c:345
               airtime_link_metric_get+0xa2/0xb0 [mac80211]
[ 9563.022697] Hardware name: PC Engines apu2/apu2, BIOS v4.10.0.3
[ 9563.022756] RIP: 0010:airtime_link_metric_get+0xa2/0xb0 [mac80211]
[ 9563.022838] Call Trace:
[ 9563.022897]  sta_set_sinfo+0x936/0xa10 [mac80211]
[ 9563.022964]  ieee80211_dump_station+0x6d/0x90 [mac80211]
[ 9563.023062]  nl80211_dump_station+0x154/0x2a0 [cfg80211]
[ 9563.023120]  netlink_dump+0x17b/0x370
[ 9563.023130]  netlink_recvmsg+0x2a4/0x480
[ 9563.023140]  ____sys_recvmsg+0xa6/0x160
[ 9563.023154]  ___sys_recvmsg+0x93/0xe0
[ 9563.023169]  __sys_recvmsg+0x7e/0xd0
[ 9563.023210]  do_syscall_64+0x4e/0x140
[ 9563.023217]  entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de>
Link: https://lore.kernel.org/r/20191203180644.70653-1-markus.theil@tu-ilmenau.de
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-02-05 14:43:42 +00:00
arch ARM: dts: beagle-x15-common: Model 5V0 regulator 2020-02-05 14:43:41 +00:00
block block: fix 32 bit overflow in __blkdev_issue_discard() 2020-02-01 09:37:12 +00:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto crypto: pcrypt - Fix user-after-free on module unload 2020-02-05 14:43:32 +00:00
Documentation PM / devfreq: Add new name attribute for sysfs 2020-02-05 14:43:34 +00:00
drivers clk: sunxi-ng: h6-r: Fix AR100/R_APB2 parent order 2020-02-05 14:43:42 +00:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs reiserfs: Fix memory leak of journal device string 2020-02-05 14:43:36 +00:00
include rseq: Unregister rseq for clone CLONE_VM 2020-02-05 14:43:42 +00:00
init fork: fix some -Wmissing-prototypes warnings 2019-12-05 09:21:04 +01:00
ipc ipc/mqueue.c: only perform resource calculation if user valid 2019-08-06 19:06:52 +02:00
kernel cgroup: Prevent double killing of css when enabling threaded cgroup 2020-02-05 14:43:39 +00:00
lib Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()" 2020-01-27 14:51:08 +01:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm mm/mempolicy.c: fix out of bounds write in mpol_parse_str() 2020-02-05 14:43:36 +00:00
net mac80211: mesh: restrict airtime metric to peered established plinks 2020-02-05 14:43:42 +00:00
samples samples/bpf: Fix broken xdp_rxq_info due to map order assumptions 2020-01-27 14:51:22 +01:00
scripts ARM: 8950/1: ftrace/recordmcount: filter relocation types 2020-01-29 16:43:19 +01:00
security tomoyo: Use atomic_t for statistics counter 2020-02-05 14:43:38 +00:00
sound ASoC: sun4i-i2s: RX and TX counter registers are swapped 2020-01-27 14:51:05 +01:00
tools tools lib traceevent: Fix memory leakage in filter_event 2020-02-05 14:43:41 +00:00
usr kbuild: clean compressed initramfs image 2019-10-07 18:57:16 +02:00
virt KVM: arm/arm64: vgic: Don't rely on the wrong pending table 2019-12-13 08:52:45 +01:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:44:47 -07:00
Makefile Linux 4.19.101 2020-02-01 09:37:12 +00:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.