linux-kernel - [PATCH -next] drm/rockchip: cdn-dp: fix return value check in cdn_dp

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Date:   Tue, 25 Apr 2017 03:16:16 +0000
From:   Wei Yongjun <weiyj.lk@...il.com>
To:     Mark Yao <mark.yao@...k-chips.com>,
        David Airlie <airlied@...ux.ie>,
        Heiko Stuebner <heiko@...ech.de>,
        Chris Zhong <zyw@...k-chips.com>
Cc:     Wei Yongjun <weiyongjun1@...wei.com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH -next] drm/rockchip: cdn-dp: fix return value check in cdn_dp_probe()

From: Wei Yongjun <weiyongjun1@...wei.com>

Fix the retrn value check which testing the wrong variable
in cdn_dp_probe().

Fixes: 1a0f7ed3abe2 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 9ab67a6..6a4a113 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -1198,7 +1198,7 @@ static int cdn_dp_probe(struct platform_device *pdev)
 			continue;
 
 		port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL);
-		if (!dp)
+		if (!port)
 			return -ENOMEM;
 
 		port->extcon = extcon;