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authorTom Gundersen2016-09-21 16:59:19 +0200
committerSean Paul2016-09-22 13:03:48 +0200
commit0f2886057be322ddfa4858384c40a505f7a32a4a (patch)
tree95fd93e32cce031f99920cd1937b4e46491e65b3 /drivers/gpu/drm/drm_platform.c
parentdrm: Distinguish no name from ENOMEM in set_unique() (diff)
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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/drm_platform.c')
-rw-r--r--drivers/gpu/drm/drm_platform.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c
index 2c819ef90090..026269851ce9 100644
--- a/drivers/gpu/drm/drm_platform.c
+++ b/drivers/gpu/drm/drm_platform.c
@@ -48,8 +48,8 @@ static int drm_get_platform_dev(struct platform_device *platdev,
DRM_DEBUG("\n");
dev = drm_dev_alloc(driver, &platdev->dev);
- if (!dev)
- return -ENOMEM;
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
dev->platformdev = platdev;