Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc

* 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc:
  signal: sys_pause() should check signal_pending()
  ptrace: ptrace_resume() shouldn't wake up !TASK_TRACED thread

2 files changed, 5 insertions, 3 deletions

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 7a81fc071344..2df115790cd9 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -562,7 +562,7 @@ static int ptrace_resume(struct task_struct *child, long request,
         }
 
         child->exit_code = data;
-        wake_up_process(child);
+        wake_up_state(child, __TASK_TRACED);
 
         return 0;
 }
diff --git a/kernel/signal.c b/kernel/signal.c
index ad5e818baacc..86c32b884f8e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3023,8 +3023,10 @@ SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler)
 
 SYSCALL_DEFINE0(pause)
 {
-        current->state = TASK_INTERRUPTIBLE;
-        schedule();
+        while (!signal_pending(current)) {
+                current->state = TASK_INTERRUPTIBLE;
+                schedule();
+        }
         return -ERESTARTNOHAND;
 }