[PATCH] sigprocmask: kill unneeded temp var

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

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/kernel/signal.c b/kernel/signal.c
index dfb09ba..75f7341 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2101,10 +2101,11 @@ long do_no_restart_syscall(struct restart_block *param)
 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:
@@ -2121,8 +2122,7 @@ int sigprocmask(int how, sigset_t *set, sigset_t *oldset)
        }
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
-       if (oldset)
-               *oldset = old_block;
+
        return error;
 }