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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/arm/hdlcd_drv.c
View File

@ -326,8 +326,8 @@ static int hdlcd_drm_bind(struct device *dev)
return -ENOMEM;
drm = drm_dev_alloc(&hdlcd_driver, dev);
if (!drm)
return -ENOMEM;
if (IS_ERR(drm))
return PTR_ERR(drm);
drm->dev_private = hdlcd;
dev_set_drvdata(dev, drm);

4
drivers/gpu/drm/arm/malidp_drv.c
View File

@ -311,8 +311,8 @@ static int malidp_bind(struct device *dev)
return ret;
drm = drm_dev_alloc(&malidp_driver, dev);
if (!drm) {
ret = -ENOMEM;
if (IS_ERR(drm)) {
ret = PTR_ERR(drm);
goto alloc_fail;
}