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(parent: 26e1304) | patch
md/r5cache: call mddev_lock/unlock() in r5c_journal_mode_show
authorSong Liu <songliubraving@fb.com>
Wed, 9 Aug 2017 05:56:52 +0000 (22:56 -0700)
committerShaohua Li <shli@fb.com>
Fri, 25 Aug 2017 17:21:46 +0000 (10:21 -0700)
commita72cbf83b0cb2368568d4e78cf1687079aad4d25
treedb55f2260db6cb8f0bff001767148adaddda81fbtree | snapshot
parent26e13043b7ea14c0b038f3f5a4af0d5cdda9e95fcommit | diff
md/r5cache: call mddev_lock/unlock() in r5c_journal_mode_show

In r5c_journal_mode_show(), it is necessary to call mddev_lock()
before accessing conf and conf->log. Otherwise, the conf->log
may change (and become NULL).

Signed-off-by: Song Liu <songliubraving@fb.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
drivers/md/raid5-cache.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git