[PATCH 1/3] Remove unused variable from send_signal()

[Pavel Emelyanov <xemul@openvz.org>]

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>

---
 kernel/signal.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index cc45a6b..21d4751 100644
--- 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) \
-- 
1.5.3.4