openwrtv3/target/linux/ar71xx/patches-3.10/611-MIPS-ath79-wdt-timeout.patch
Gabor Juhos cd75606712 ar71xx: avoid spurious restarts caused by the watchdog on AR934x
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 40465
2014-04-12 10:21:04 +00:00

25 lines
580 B
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
@@ -115,10 +115,14 @@ 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;