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rtc: ds1374: wdt: Fix stop/start ioctl always returning -EINVAL 

The WDIOC_SETOPTIONS case in the watchdog ioctl would alwayss falls
through to the -EINVAL case. This is wrong since thew watchdog does
actually get stopped or started correctly.

Fixes: 920f91e50c ("drivers/rtc/rtc-ds1374.c: add watchdog support")
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
zero-colors
Moritz Fischer 2017-04-24 15:05:12 -07:00 committed by Alexandre Belloni
parent 453d0744f6
commit 538c08f4c8
1 changed files with 2 additions and 1 deletions
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3
drivers/rtc/rtc-ds1374.c
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@ -546,14 +546,15 @@ static long ds1374_wdt_ioctl(struct file *file, unsigned int cmd,
if (options & WDIOS_DISABLECARD) {
pr_info("disable watchdog\n");
ds1374_wdt_disable();
return 0;
}
if (options & WDIOS_ENABLECARD) {
pr_info("enable watchdog\n");
ds1374_wdt_settimeout(wdt_margin);
ds1374_wdt_ping();
return 0;
}
return -EINVAL;
}
return -ENOTTY;