From: Arvind Yadav arvind.yadav.cs@gmail.com
[ Upstream commit 4b0ea93f250afc6c1128e201b0a8a115ae613e47 ]
Here, pci_iomap can fail, handle this case and return -ENOMEM.
Signed-off-by: Arvind Yadav arvind.yadav.cs@gmail.com Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch Link: http://patchwork.freedesktop.org/patch/msgid/1483443027-13444-1-git-send-ema... Signed-off-by: Sasha Levin alexander.levin@verizon.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 b1a0f5656175..44df959cbadb 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -145,6 +145,8 @@ static int mga_vram_init(struct mga_device *mdev) }
mem = pci_iomap(mdev->dev->pdev, 0, 0); + if (!mem) + return -ENOMEM;
mdev->mc.vram_size = mga_probe_vram(mdev, mem);