fork: unshare: remove dead code

If new_nsproxy is set we will always call switch_task_namespaces and
then set new_nsproxy back to NULL so the reassignment and fall through
check are redundant

Signed-off-by: Alan Cox <alan@linux.intel.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/kernel/fork.c b/kernel/fork.c
index 8f62b2a0f120..8d932b1c9056 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1861,10 +1861,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
                         exit_sem(current);
                 }
 
-                if (new_nsproxy) {
+                if (new_nsproxy)
                         switch_task_namespaces(current, new_nsproxy);
-                        new_nsproxy = NULL;
-                }
 
                 task_lock(current);
 
@@ -1894,9 +1892,6 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
                 }
         }
 
-        if (new_nsproxy)
-                put_nsproxy(new_nsproxy);
-
 bad_unshare_cleanup_cred:
         if (new_cred)
                 put_cred(new_cred);