diff --git a/kernel/signal.c b/kernel/signal.c
index 9692499c77cf8575494c844b170c1d1aea6d3afd..372771e948c230141a767003fa0f2e18c0d44db2 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2528,11 +2528,8 @@ static void __set_task_blocked(struct task_struct *tsk, const sigset_t *newset)
  */
 void set_current_blocked(sigset_t *newset)
 {
-	struct task_struct *tsk = current;
 	sigdelsetmask(newset, sigmask(SIGKILL) | sigmask(SIGSTOP));
-	spin_lock_irq(&tsk->sighand->siglock);
-	__set_task_blocked(tsk, newset);
-	spin_unlock_irq(&tsk->sighand->siglock);
+	__set_current_blocked(newset);
 }
 
 void __set_current_blocked(const sigset_t *newset)
@@ -3204,7 +3201,6 @@ SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, nset,
 	if (nset) {
 		if (copy_from_user(&new_set, nset, sizeof(*nset)))
 			return -EFAULT;
-		new_set &= ~(sigmask(SIGKILL) | sigmask(SIGSTOP));
 
 		new_blocked = current->blocked;
 
@@ -3222,7 +3218,7 @@ SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, nset,
 			return -EINVAL;
 		}
 
-		__set_current_blocked(&new_blocked);
+		set_current_blocked(&new_blocked);
 	}
 
 	if (oset) {