linux-kernel - [PATCH] backlight: pm8941-wled: fix ptr

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Message-ID: <20151026182611.GA14761@roam>
Date:	Tue, 27 Oct 2015 02:26:11 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Lee Jones <lee.jones@...aro.org>,
	Jingoo Han <jingoohan1@...il.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org
Subject: [PATCH] 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

CC: Bjorn Andersson <bjorn.andersson@...ymobile.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 pm8941-wled.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/video/backlight/pm8941-wled.c
+++ b/drivers/video/backlight/pm8941-wled.c
@@ -401,10 +401,7 @@ static int pm8941_wled_probe(struct plat
 	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[] = {
--
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