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* [PATCH] sigprocmask: kill unneeded temp var
@ 2006-01-16 18:01 Oleg Nesterov
  0 siblings, 0 replies; only message in thread
From: Oleg Nesterov @ 2006-01-16 18:01 UTC (permalink / raw)
  To: Andrew Morton; +Cc: linux-kernel

Cleanup, remove unneeded double copying of current->blocked.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>

--- 2.6.15/kernel/signal.c~	2005-11-22 19:35:52.000000000 +0300
+++ 2.6.15/kernel/signal.c	2006-01-16 14:50:17.000000000 +0300
@@ -2004,10 +2004,11 @@ long do_no_restart_syscall(struct restar
 int sigprocmask(int how, sigset_t *set, sigset_t *oldset)
 {
 	int error;
-	sigset_t old_block;
 
 	spin_lock_irq(&current->sighand->siglock);
-	old_block = current->blocked;
+	if (oldset)
+		*oldset = current->blocked;
+
 	error = 0;
 	switch (how) {
 	case SIG_BLOCK:
@@ -2024,8 +2025,7 @@ int sigprocmask(int how, sigset_t *set, 
 	}
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
-	if (oldset)
-		*oldset = old_block;
+
 	return error;
 }

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2006-01-16 18:01 [PATCH] sigprocmask: kill unneeded temp var Oleg Nesterov

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