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Lorenzo Bianconi 1770f0fa97 mt76: fix uninitialized mutex access setting rts threshold 
Fix following crash due to a leftover uninitialized mutex access
in mt76x2_set_rts_threshold routine.

[   31.018059] Call Trace:
[   31.018341]  register_lock_class+0x51f/0x530
[   31.018828]  __lock_acquire+0x6c/0x1580
[   31.019247]  lock_acquire+0x88/0x120
[   31.021089]  __mutex_lock+0x4a/0x4f0
[   31.023343]  mt76x2_set_rts_threshold+0x28/0x50
[   31.023831]  ieee80211_set_wiphy_params+0x16d/0x4e0
[   31.024344]  nl80211_set_wiphy+0x72b/0xbc0
[   31.024781]  genl_family_rcv_msg+0x192/0x3a0
[   31.025233]  genl_rcv_msg+0x42/0x89
[   31.026079]  netlink_rcv_skb+0x38/0x100
[   31.026475]  genl_rcv+0x1f/0x30
[   31.026804]  netlink_unicast+0x19c/0x250
[   31.027212]  netlink_sendmsg+0x1ed/0x390
[   31.027615]  sock_sendmsg+0x31/0x40
[   31.027973]  ___sys_sendmsg+0x23c/0x280
[   31.030414]  __sys_sendmsg+0x42/0x80
[   31.030783]  do_syscall_64+0x4a/0x170
[   31.031160]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   31.031677] RIP: 0033:0x7f3498b39ba7
[   31.033953] RSP: 002b:00007fffe19675b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.034883] RAX: ffffffffffffffda RBX: 00000000012d5350 RCX: 00007f3498b39ba7
[   31.035756] RDX: 0000000000000000 RSI: 00007fffe19675f0 RDI: 0000000000000003
[   31.036587] RBP: 00000000012da740 R08: 0000000000000002 R09: 0000000000000000
[   31.037422] R10: 0000000000000006 R11: 0000000000000246 R12: 00000000012da880
[   31.038252] R13: 00007fffe19675f0 R14: 00007fffe19678c0 R15: 00000000012da880

Fixes: 108a4861ef ("mt76: create new mt76x02-lib module for common mt76x{0,2} code")
Reported-by: lorenzo.trisolini@fluidmesh.com
Reported-by: luca.bisti@fluidmesh.com
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-11-16 15:15:49 +02:00
arch Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:25:17 -07:00
block for-linus-20181102 2018-11-02 11:25:48 -07:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto KEYS: asym_tpm: Add support for the sign operation [ver #2] 2018-10-26 09:30:47 +01:00
Documentation This pull request contains updates for UBIFS: 2018-11-04 14:46:04 -08:00
drivers mt76: fix uninitialized mutex access setting rts threshold 2018-11-16 15:15:49 +02:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs This pull request contains updates for UBIFS: 2018-11-04 14:46:04 -08:00
include NFS client bugfixes for Linux 4.20 2018-11-04 08:20:09 -08:00
init memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
ipc ipc: IPCMNI limit check for semmni 2018-10-31 08:54:14 -07:00
kernel Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:37:09 -07:00
lib Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
mm memory_hotplug: cond_resched in __remove_pages 2018-11-03 10:09:38 -07:00
net NFS client bugfixes for Linux 4.20 2018-11-04 08:20:09 -08:00
samples VFIO updates for v4.20 2018-10-31 11:01:38 -07:00
scripts Kbuild updates for v4.20 (2nd) 2018-11-03 10:47:33 -07:00
security + Features/Improvements 2018-11-02 10:04:26 -07:00
sound sound fixes for 4.20-rc1 2018-11-02 11:02:52 -07:00
tools Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:25:17 -07:00
usr initramfs: move gen_initramfs_list.sh from scripts/ to usr/ 2018-08-22 23:21:44 +09:00
virt Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks" 2018-10-26 16:25:19 -07:00
.clang-format page cache: Convert find_get_pages_contig to XArray 2018-10-21 10:46:34 -04:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap .mailmap: add Oleksij Rempel 2018-10-31 08:54:12 -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 The Compiler Attributes series 2018-11-01 18:34:46 -07:00
Makefile Linux 4.20-rc1 2018-11-04 15:37:52 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -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.

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.