linux-kernel - [PATCH] drm/msm: Odd PTR

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Date:	Mon, 16 Sep 2013 23:19:54 +0200
From:	Thomas Meyer <thomas@...3r.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	airlied <airlied@...ux.ie>,
	dri-devel <dri-devel@...ts.freedesktop.org>
Subject: [PATCH] drm/msm: Odd PTR_ERR usage

The variable priv->kms is not initialized yet.

Found by "scripts/coccinelle/tests/odd_ptr_err.cocci".
PTR_ERR should access the value just tested by IS_ERR.

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -199,7 +199,7 @@ static int msm_load(struct drm_device *d
 		 * imx drm driver on iMX5
 		 */
 		dev_err(dev->dev, "failed to load kms\n");
-		ret = PTR_ERR(priv->kms);
+		ret = PTR_ERR(kms);
 		goto fail;
 	}
 

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