linux-kernel - [patch] thermal: spear13xx: checking for NULL instead of IS

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Message-ID: <20120229063151.GA18031@elgon.mountain>
Date:	Wed, 29 Feb 2012 09:31:51 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Vincenzo Frascino <vincenzo.frascino@...com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Viresh Kumar <viresh.kumar@...com>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] thermal: spear13xx: checking for NULL instead of IS_ERR()

thermal_zone_device_register() never returns NULL, on error it returns
and ERR_PTR().

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
index 880bf28..7352cf8 100644
--- a/drivers/thermal/spear_thermal.c
+++ b/drivers/thermal/spear_thermal.c
@@ -149,9 +149,9 @@ static int spear_thermal_probe(struct platform_device *pdev)
 
 	spear_thermal = thermal_zone_device_register("spear_thermal", 0,
 				stdev, &ops, 0, 0, 0, 0);
-	if (!spear_thermal) {
+	if (IS_ERR(spear_thermal)) {
 		dev_err(&pdev->dev, "thermal zone device is NULL\n");
-		ret = -EINVAL;
+		ret = PTR_ERR(spear_thermal);
 		goto disable_clk;
 	}
 
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