From: kbuild test robot <fengguang.wu@xxxxxxxxx> drivers/rtc/rtc-sd3078.c:248:1-3: WARNING: PTR_ERR_OR_ZERO can be used Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR Generated by: scripts/coccinelle/api/ptr_ret.cocci Fixes: e231edadd7fa ("rtc: sd3078: new driver.") CC: zoro <long17.cool@xxxxxxx> Signed-off-by: kbuild test robot <fengguang.wu@xxxxxxxxx> --- url: https://github.com/0day-ci/linux/commits/zoro/dt-bindings-define-vendor-prefix-for-whwave-Inc/20181110-205048 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next rtc-sd3078.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/drivers/rtc/rtc-sd3078.c +++ b/drivers/rtc/rtc-sd3078.c @@ -245,10 +245,7 @@ static int sd3078_probe(struct i2c_clien sd3078_driver.driver.name, &sd3078_rtc_ops, THIS_MODULE); - if (IS_ERR(sd3078->rtc)) - return PTR_ERR(sd3078->rtc); - - return 0; + return PTR_ERR_OR_ZERO(sd3078->rtc); } static int sd3078_remove(struct i2c_client *client)