target/linux/ar71xx/patches-3.18/611-MIPS-ath79-wdt-timeout.patch

   1 MIPS: ath79: fix maximum timeout
   2
   3 If the userland tries to set a timeout higher than the max_timeout, then we should fallback to max_timeout.
   4
   5 Signed-off-by: John Crispin <blogic@openwrt.org>
   6
   7 --- a/drivers/watchdog/ath79_wdt.c
   8 +++ b/drivers/watchdog/ath79_wdt.c
   9 @@ -114,10 +114,14 @@ static inline void ath79_wdt_disable(voi
  10
  11  static int ath79_wdt_set_timeout(int val)
  12  {
  13 -       if (val < 1 || val > max_timeout)
  14 +       if (val < 1)
  15                 return -EINVAL;
  16
  17 -       timeout = val;
  18 +       if (val > max_timeout)
  19 +               timeout = max_timeout;
  20 +       else
  21 +               timeout = val;
  22 +
  23         ath79_wdt_keepalive();
  24
  25         return 0;