fs/proc_namespace.c: simplify testing nsp and nsp->mnt_ns

Trivial cleanup to eliminate a goto.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 6 deletions

diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 439406e081af..7be26f03a3f5 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -234,17 +234,12 @@ static int mounts_open_common(struct inode *inode, struct file *file,
 
         rcu_read_lock();
         nsp = task_nsproxy(task);
-        if (!nsp) {
+        if (!nsp || !nsp->mnt_ns) {
                 rcu_read_unlock();
                 put_task_struct(task);
                 goto err;
         }
         ns = nsp->mnt_ns;
-        if (!ns) {
-                rcu_read_unlock();
-                put_task_struct(task);
-                goto err;
-        }
         get_mnt_ns(ns);
         rcu_read_unlock();
         task_lock(task);