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watchdog: wdat_wdt: Fix warning for using 0 as NULL 

Fixes the following sparse warnings:

drivers/watchdog/wdat_wdt.c:210:66: warning: Using plain integer as NULL pointer
drivers/watchdog/wdat_wdt.c:235:66: warning: Using plain integer as NULL pointer

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Wei Yongjun 2016-09-28 23:17:11 +02:00 committed by Rafael J. Wysocki
parent 356ed04351
commit cda3b91785
1 changed files with 2 additions and 2 deletions
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4
drivers/watchdog/wdat_wdt.c
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@ -207,7 +207,7 @@ static int wdat_wdt_enable_reboot(struct wdat_wdt *wdat)
* recommeded to make it configurable through hardware register. We
* enable reboot now if it is configrable, just in case.
*/
ret = wdat_wdt_run_action(wdat, ACPI_WDAT_SET_REBOOT, 0, 0);
ret = wdat_wdt_run_action(wdat, ACPI_WDAT_SET_REBOOT, 0, NULL);
if (ret && ret != -EOPNOTSUPP) {
dev_err(&wdat->pdev->dev,
"Failed to enable reboot when watchdog triggers\n");
@ -232,7 +232,7 @@ static void wdat_wdt_boot_status(struct wdat_wdt *wdat)
wdat->wdd.bootstatus = WDIOF_CARDRESET;
/* Clear the boot status in case BIOS did not do it */
ret = wdat_wdt_run_action(wdat, ACPI_WDAT_SET_STATUS, 0, 0);
ret = wdat_wdt_run_action(wdat, ACPI_WDAT_SET_STATUS, 0, NULL);
if (ret && ret != -EOPNOTSUPP)
dev_err(&wdat->pdev->dev, "Failed to clear boot status\n");
}