summaryrefslogtreecommitdiff
path: root/fs/super.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2017-12-18 15:05:07 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-03 10:19:41 +0100
commit4cf1dead545b29f92722c8d1021db26beee31c83 (patch)
tree4184954709a3686e7515def99de25d554401312b /fs/super.c
parent5f63882e762ebe312cc58404f959fc3de98b4491 (diff)
sget(): handle failures of register_shrinker()
[ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index d4d2591b77c8..09b526a50986 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -497,7 +497,11 @@ retry:
hlist_add_head(&s->s_instances, &type->fs_supers);
spin_unlock(&sb_lock);
get_filesystem(type);
- register_shrinker(&s->s_shrink);
+ err = register_shrinker(&s->s_shrink);
+ if (err) {
+ deactivate_locked_super(s);
+ s = ERR_PTR(err);
+ }
return s;
}