ns proc: Return -ENOENT for a nonexistent /proc/self/ns/ entry.

Spotted-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index f18d6d5..781dec5 100644 (file)
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -161,6 +161,7 @@ static struct dentry *proc_ns_dir_lookup(struct inode *dir,
                if (!memcmp(dentry->d_name.name, (*entry)->name, len))
                        break;
        }
+       error = ERR_PTR(-ENOENT);
        if (entry > last)
                goto out;