Commit 9ee332d9 authored by Al Viro's avatar Al Viro

sget(): handle failures of register_shrinker()

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent bb422a73
...@@ -517,7 +517,11 @@ struct super_block *sget_userns(struct file_system_type *type, ...@@ -517,7 +517,11 @@ struct super_block *sget_userns(struct file_system_type *type,
hlist_add_head(&s->s_instances, &type->fs_supers); hlist_add_head(&s->s_instances, &type->fs_supers);
spin_unlock(&sb_lock); spin_unlock(&sb_lock);
get_filesystem(type); 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; return s;
} }
......
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