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drm: Don't swallow error codes in drm_dev_alloc()

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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
This commit is contained in:
Tom Gundersen
2016-09-21 16:59:19 +02:00
committed by Sean Paul
parent c6bf811a0b
commit 0f2886057b
22 changed files with 45 additions and 45 deletions
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4
drivers/gpu/drm/drm_platform.c
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@@ -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;