exec: consolidate 2 fast-paths
Now that we don't pre-allocate the new ->sighand, we can kill the first fast
path, it doesn't make sense any longer. At best, it can save one "list_empty()"
check but leads to the code duplication.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/exec.c b/fs/exec.c
index c6e91c3..ab5a4a3 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -752,15 +752,6 @@
struct task_struct *leader = NULL;
int count;
- /*
- * If we don't share sighandlers, then we aren't sharing anything
- * and we can just re-use it all.
- */
- if (atomic_read(&oldsighand->count) <= 1) {
- exit_itimers(sig);
- return 0;
- }
-
if (thread_group_empty(tsk))
goto no_thread_group;
