From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
[ Upstream commit 9ee332d99e4d5a97548943b81c54668450ce641b ]
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
fs/super.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/super.c b/fs/super.c
index 1058bf3e8724..7e9beab77259 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -519,7 +519,11 @@ 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;
}
--
2.11.0