fix leak in proc_set_super()
set_anon_super() can fail...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/proc/root.c b/fs/proc/root.c
index a9000e9..d6c3b41 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -28,11 +28,12 @@
static int proc_set_super(struct super_block *sb, void *data)
{
- struct pid_namespace *ns;
-
- ns = (struct pid_namespace *)data;
- sb->s_fs_info = get_pid_ns(ns);
- return set_anon_super(sb, NULL);
+ int err = set_anon_super(sb, NULL);
+ if (!err) {
+ struct pid_namespace *ns = (struct pid_namespace *)data;
+ sb->s_fs_info = get_pid_ns(ns);
+ }
+ return err;
}
static struct dentry *proc_mount(struct file_system_type *fs_type,