Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 33e592e7 authored by Tetsuo Handa's avatar Tetsuo Handa Committed by Greg Kroah-Hartman
Browse files

quota: Check for register_shrinker() failure. 




[ Upstream commit 88bc0ede8d35edc969350852894dc864a2dc1859 ]

register_shrinker() might return -ENOMEM error since Linux 3.12.
Call panic() as with other failure checks in this function if
register_shrinker() failed.

Fixes: 1d3d4437 ("vmscan: per-node deferred work")
Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Jan Kara <jack@suse.com>
Cc: Michal Hocko <mhocko@suse.com>
Reviewed-by: default avatarMichal Hocko <mhocko@suse.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d5b5f8b3

fs/quota/dquot.c

+2 −1
Original line number Diff line number Diff line
@@ -2730,7 +2730,8 @@ static int __init dquot_init(void) 
	printk("Dquot-cache hash table entries: %ld (order %ld, %ld bytes)\n",

			nr_hash, order, (PAGE_SIZE << order));



	register_shrinker(&dqcache_shrinker);

	if (register_shrinker(&dqcache_shrinker))

		panic("Cannot register dquot shrinker");



	return 0;

}