diff --git a/[refs] b/[refs]
index 9a321963ad7f..27f46eea17c9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2e2ba22ea4fd4bb85f0fa37c521066db6775cbef
+refs/heads/master: 193191035ad6268db9f561e81e3474b8be89a5ba
diff --git a/trunk/kernel/signal.c b/trunk/kernel/signal.c
index 24be82c0aae3..02ef3548aeb0 100644
--- a/trunk/kernel/signal.c
+++ b/trunk/kernel/signal.c
@@ -551,9 +551,7 @@ static int check_kill_permission(int sig, struct siginfo *info,
 	    !capable(CAP_KILL)) {
 		switch (sig) {
 		case SIGCONT:
-			read_lock(&tasklist_lock);
 			sid = task_session(t);
-			read_unlock(&tasklist_lock);
 			/*
 			 * We don't return the error if sid == NULL. The
 			 * task was unhashed, the caller must notice this.