backlight: pm8941-wled: Fix ptr_ret.cocci warnings

drivers/video/backlight/pm8941-wled.c:404:1-3: 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

Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/video/backlight/pm8941-wled.c b/drivers/video/backlight/pm8941-wled.c
index c704c3236034fd43dd5ccd719007b28b26d99736..78bba87551b2547a92b7aeea75fca8490c51be6d 100644 (file)
--- a/drivers/video/backlight/pm8941-wled.c
+++ b/drivers/video/backlight/pm8941-wled.c
@@ -401,10 +401,7 @@ static int pm8941_wled_probe(struct platform_device *pdev)
        bl = devm_backlight_device_register(&pdev->dev, wled->name,
                                            &pdev->dev, wled,
                                            &pm8941_wled_ops, &props);
-       if (IS_ERR(bl))
-               return PTR_ERR(bl);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(bl);
 };
 
 static const struct of_device_id pm8941_wled_match_table[] = {