On 5/25/20 12:31 AM, Tiezhu Yang wrote: > When call function devm_platform_ioremap_resource(), we should use IS_ERR() > to check the return value and return PTR_ERR() if failed. > > Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > drivers/watchdog/bcm_kona_wdt.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c > index eb850a8..8237c4e 100644 > --- a/drivers/watchdog/bcm_kona_wdt.c > +++ b/drivers/watchdog/bcm_kona_wdt.c > @@ -279,7 +279,7 @@ static int bcm_kona_wdt_probe(struct platform_device *pdev) > > wdt->base = devm_platform_ioremap_resource(pdev, 0); > if (IS_ERR(wdt->base)) > - return -ENODEV; > + return PTR_ERR(wdt->base); > > wdt->resolution = SECWDOG_DEFAULT_RESOLUTION; > ret = bcm_kona_wdt_set_resolution_reg(wdt); >