linux-kernel - [PATCH] phy: rockchip-dp: fix return value check in rockchip_dp_phy

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Message-Id: <1465860707-26005-1-git-send-email-weiyj_lk@163.com>
Date:	Mon, 13 Jun 2016 23:31:47 +0000
From:	weiyj_lk@....com
To:	Kishon Vijay Abraham I <kishon@...com>,
	Heiko Stuebner <heiko@...ech.de>
Cc:	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: [PATCH] phy: rockchip-dp: fix return value check in rockchip_dp_phy_probe()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

In case of error, the function devm_kzalloc() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should
be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/phy/phy-rockchip-dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/phy-rockchip-dp.c b/drivers/phy/phy-rockchip-dp.c
index 793ecb6..8b267a7 100644
--- a/drivers/phy/phy-rockchip-dp.c
+++ b/drivers/phy/phy-rockchip-dp.c
@@ -90,7 +90,7 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
-	if (IS_ERR(dp))
+	if (!dp)
 		return -ENOMEM;
 
 	dp->dev = dev;