signals: remove unused variable from send_signal()

This function doesn't change the ret's value and thus always returns 0, with a
single exception of returning -EAGAIN explicitly.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/signal.c b/kernel/signal.c
index 64ad0ed..f5f3b8a 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -661,7 +661,6 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
                        struct sigpending *signals)
 {
        struct sigqueue * q = NULL;
-       int ret = 0;
 
        /*
         * Deliver the signal to listening signalfds. This must be called
@@ -719,7 +718,7 @@ static int send_signal(int sig, struct siginfo *info, struct task_struct *t,
 
 out_set:
        sigaddset(&signals->signal, sig);
-       return ret;
+       return 0;
 }
 
 #define LEGACY_QUEUE(sigptr, sig) \