From: Fengguang Wu <fengguang.wu@xxxxxxxxx> drivers/nvmem/meson-mx-efuse.c:237:1-3: 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: 37ef5352c0f7 ("nvmem: meson-mx-efuse: Convert to use devm_nvmem_register()") CC: Andrey Smirnov <andrew.smirnov at gmail.com> Signed-off-by: Fengguang Wu <fengguang.wu at intel.com> --- meson-mx-efuse.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/drivers/nvmem/meson-mx-efuse.c +++ b/drivers/nvmem/meson-mx-efuse.c @@ -234,10 +234,7 @@ static int meson_mx_efuse_probe(struct p } efuse->nvmem = devm_nvmem_register(&pdev->dev, &efuse->config); - if (IS_ERR(efuse->nvmem)) - return PTR_ERR(efuse->nvmem); - - return 0; + return PTR_ERR_OR_ZERO(efuse->nvmem); } static struct platform_driver meson_mx_efuse_driver = {