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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/arc
parentc6bf811a0b55ab224fb2c75345641b4bb599475c (diff)
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/arc')
-rw-r--r--drivers/gpu/drm/arc/arcpgu_drv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c
index 6d4ff34737cb..28e6471257d0 100644
--- a/drivers/gpu/drm/arc/arcpgu_drv.c
+++ b/drivers/gpu/drm/arc/arcpgu_drv.c
@@ -198,8 +198,8 @@ static int arcpgu_probe(struct platform_device *pdev)
int ret;
drm = drm_dev_alloc(&arcpgu_drm_driver, &pdev->dev);
- if (!drm)
- return -ENOMEM;
+ if (IS_ERR(drm))
+ return PTR_ERR(drm);
ret = arcpgu_load(drm);
if (ret)