openwrt/target/linux/ar71xx/patches-4.14/100-MIPS-ath79-Avoid-using-unitialized-reg-variable.patch

From 8b7a76e72fc819753878cd5684e243f33f847c79 Mon Sep 17 00:00:00 2001
From: Markos Chandras <markos.chandras@imgtec.com>
Date: Wed, 21 Aug 2013 11:47:22 +0100
Subject: [PATCH] MIPS: ath79: Avoid using unitialized 'reg' variable

Fixes the following build error:
arch/mips/include/asm/mach-ath79/ath79.h:139:20: error: 'reg' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
arch/mips/ath79/common.c:62:6: note: 'reg' was declared here
In file included from arch/mips/ath79/common.c:20:0:
arch/mips/ath79/common.c: In function 'ath79_device_reset_clear':
arch/mips/include/asm/mach-ath79/ath79.h:139:20:
error: 'reg' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
arch/mips/ath79/common.c:90:6: note: 'reg' was declared here

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Gabor Juhos <juhosg@openwrt.org>
---
 arch/mips/ath79/common.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -106,7 +106,7 @@ void ath79_device_reset_set(u32 mask)
 	else if (soc_is_qca955x())
 		reg = QCA955X_RESET_REG_RESET_MODULE;
 	else
-		BUG();
+		panic("Reset register not defined for this SOC");
 
 	spin_lock_irqsave(&ath79_device_reset_lock, flags);
 	t = ath79_reset_rr(reg);
@@ -134,7 +134,7 @@ void ath79_device_reset_clear(u32 mask)
 	else if (soc_is_qca955x())
 		reg = QCA955X_RESET_REG_RESET_MODULE;
 	else
-		BUG();
+		panic("Reset register not defined for this SOC");
 
 	spin_lock_irqsave(&ath79_device_reset_lock, flags);
 	t = ath79_reset_rr(reg);