[WATCHDOG] fix mtx1_wdt compilation failure

Using spin_lock_irqsave with a local variable called flags without
declaring is a bad idea, fix this by declaring it.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index b4b7b0a..3acce62 100644 (file)
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -98,6 +98,8 @@ static void mtx1_wdt_reset(void)
 
 static void mtx1_wdt_start(void)
 {
+       unsigned long flags;
+
        spin_lock_irqsave(&mtx1_wdt_device.lock, flags);
        if (!mtx1_wdt_device.queue) {
                mtx1_wdt_device.queue = 1;
@@ -110,6 +112,8 @@ static void mtx1_wdt_start(void)
 
 static int mtx1_wdt_stop(void)
 {
+       unsigned long flags;
+
        spin_lock_irqsave(&mtx1_wdt_device.lock, flags);
        if (mtx1_wdt_device.queue) {
                mtx1_wdt_device.queue = 0;