openwrt/target/linux/ar71xx/patches-4.4/611-MIPS-ath79-wdt-timeout....

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Diff

MIPS: ath79: fix maximum timeout
If the userland tries to set a timeout higher than the max_timeout, then we should fallback to max_timeout.
Signed-off-by: John Crispin <blogic@openwrt.org>
--- a/drivers/watchdog/ath79_wdt.c
+++ b/drivers/watchdog/ath79_wdt.c
@@ -114,10 +114,14 @@ static inline void ath79_wdt_disable(voi
static int ath79_wdt_set_timeout(int val)
{
- if (val < 1 || val > max_timeout)
+ if (val < 1)
return -EINVAL;
- timeout = val;
+ if (val > max_timeout)
+ timeout = max_timeout;
+ else
+ timeout = val;
+
ath79_wdt_keepalive();
return 0;