From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 26 Apr 2012 22:15:11 +0000 (-0400)
Subject: arm: if there's no handler we need to restore sigmask, syscall or no syscall
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7dfae72027cd8345247e675a3b27439df95fe06e;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

arm: if there's no handler we need to restore sigmask, syscall or no syscall

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index d554025dbcbc..a6c4e780ec7a 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -715,15 +715,13 @@ static void do_signal(struct pt_regs *regs, int syscall)
 #endif
 			}
 		}
-
-		/* If there's no signal to deliver, we just put the saved sigmask
-		 * back.
-		 */
-		if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
-			clear_thread_flag(TIF_RESTORE_SIGMASK);
-			sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
-		}
 	}
+
+	/* If there's no signal to deliver, we just put the saved sigmask
+	 * back.
+	 */
+	if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
+		set_current_blocked(&current->saved_sigmask);
 }
 
 asmlinkage void