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drm/mgag200: check alloc_apertures() success in mga_vram_init() 

Check for alloc_apertures() memory allocation failure, and propagate an
error code in case the allocation failed.

Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Tommi Rantala 2012-11-09 09:19:36 +00:00 committed by Dave Airlie
parent bfb82ff0ee
commit 0a7fdc59fb
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/mgag200/mgag200_main.c
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@ -133,6 +133,8 @@ static int mga_vram_init(struct mga_device *mdev)
{
void __iomem *mem;
struct apertures_struct *aper = alloc_apertures(1);
if (!aper)
return -ENOMEM;
/* BAR 0 is VRAM */
mdev->mc.vram_base = pci_resource_start(mdev->dev->pdev, 0);