Commit 30c89465 authored Sep 21, 2016 by Shaohua Li

raid5: handle register_shrinker failure



register_shrinker() now can fail. When it happens, shrinker.nr_deferred is
null. We use it to determine if unregister_shrinker is required.

Signed-off-by: Shaohua Li <shli@fb.com>

parent 6a0f53ff

drivers/md/raid5.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -6372,7 +6372,7 @@ static void free_conf(struct r5conf *conf)
		{
		if (conf->log)
		r5l_exit_log(conf->log);
		if (conf->shrinker.seeks)
		if (conf->shrinker.nr_deferred)
		unregister_shrinker(&conf->shrinker);

		free_thread_groups(conf);