[PATCH] __down_common: use signal_pending_state()

[Oleg Nesterov]

Change __down_common() to use signal_pending_state() instead of open
coding.

The changes in kernel/semaphore.o are just artefacts, the state checks
are optimized away.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--- 26-rc2/kernel/semaphore.c~2_SPS_DOWN	2008-06-08 17:25:01.000000000 +0400
+++ 26-rc2/kernel/semaphore.c	2008-07-24 20:17:47.000000000 +0400
@@ -211,9 +211,7 @@ static inline int __sched __down_common(
 	waiter.up = 0;
 
 	for (;;) {
-		if (state == TASK_INTERRUPTIBLE && signal_pending(task))
-			goto interrupted;
-		if (state == TASK_KILLABLE && fatal_signal_pending(task))
+		if (signal_pending_state(state, task))
 			goto interrupted;
 		if (timeout <= 0)
 			goto timed_out;

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