| commit | a72cbf83b0cb2368568d4e78cf1687079aad4d25 | [log] [tgz] |
|---|---|---|
| author | Song Liu <songliubraving@fb.com> | Tue Aug 08 22:56:52 2017 -0700 |
| committer | Shaohua Li <shli@fb.com> | Fri Aug 25 10:21:46 2017 -0700 |
| tree | db55f2260db6cb8f0bff001767148adaddda81fb | |
| parent | 26e13043b7ea14c0b038f3f5a4af0d5cdda9e95f [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>