diff --git a/[refs] b/[refs]
index d9d0ee1de880..6261e2765335 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aca6ca10974aa78adfb47291722ce851160213e4
+refs/heads/master: ca195cfec9fff622a61b1b72534e73360747f735
diff --git a/trunk/arch/arm/kernel/signal.c b/trunk/arch/arm/kernel/signal.c
index 962851144099..c0ba8afee42f 100644
--- a/trunk/arch/arm/kernel/signal.c
+++ b/trunk/arch/arm/kernel/signal.c
@@ -470,6 +470,11 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg
 	if (!frame)
 		return 1;
 
+	/*
+	 * Set uc.uc_flags to a value which sc.trap_no would never have.
+	 */
+	__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);
+
 	err |= setup_sigframe(frame, regs, set);
 	if (err == 0)
 		err = setup_return(regs, ka, frame->retcode, frame, usig);