From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 15 Nov 2016 09:53:01 +0000 (+0300)
Subject: drm: zte: checking for NULL instead of IS_ERR()
X-Git-Tag: android-x86-8.1-r1~4558^2~29^2~24
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=72282a88d4ea2c0f3e520fab34db56af7119f6e7;p=android-x86%2Fkernel.git

drm: zte: checking for NULL instead of IS_ERR()

drm_dev_alloc() never returns NULL, it only returns error pointers on
error.

Fixes: 0a886f59528a ("drm: zte: add initial vou drm driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161115095301.GC15424@mwanda
---

diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c
index abc8099e6f53..3e76f72c92ff 100644
--- a/drivers/gpu/drm/zte/zx_drm_drv.c
+++ b/drivers/gpu/drm/zte/zx_drm_drv.c
@@ -107,8 +107,8 @@ static int zx_drm_bind(struct device *dev)
 		return -ENOMEM;
 
 	drm = drm_dev_alloc(&zx_drm_driver, dev);
-	if (!drm)
-		return -ENOMEM;
+	if (IS_ERR(drm))
+		return PTR_ERR(drm);
 
 	drm->dev_private = priv;
 	dev_set_drvdata(dev, drm);