[PATCH 2/6] 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 --- drivers/gpu/drm/mgag200/mgag200_main.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index d6a1aae..07d4b24 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -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);