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authorTom Gundersen <teg@jklm.no>2016-09-21 16:59:19 +0200
committerSean Paul <seanpaul@chromium.org>2016-09-22 04:03:48 -0700
commit0f2886057be322ddfa4858384c40a505f7a32a4a (patch)
tree95fd93e32cce031f99920cd1937b4e46491e65b3 /drivers/gpu/drm/mediatek/mtk_drm_drv.c
parentc6bf811a0b55ab224fb2c75345641b4bb599475c (diff)
downloadblackbird-op-linux-0f2886057be322ddfa4858384c40a505f7a32a4a.tar.gz
blackbird-op-linux-0f2886057be322ddfa4858384c40a505f7a32a4a.zip
drm: Don't swallow error codes in drm_dev_alloc()
There are many reasons other than ENOMEM that drm_dev_init() can fail. Return ERR_PTR rather than NULL to be able to distinguish these in the caller. Signed-off-by: Tom Gundersen <teg@jklm.no> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/20160921145919.13754-2-teg@jklm.no
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_drv.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_drv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 72c1ae4e02d4..cf83f6507ec8 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -294,8 +294,8 @@ static int mtk_drm_bind(struct device *dev)
int ret;
drm = drm_dev_alloc(&mtk_drm_driver, dev);
- if (!drm)
- return -ENOMEM;
+ if (IS_ERR(drm))
+ return PTR_ERR(drm);
drm->dev_private = private;
private->drm = drm;
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