* [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(¤t->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(¤t->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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