| From foo@baz Sun Nov 19 11:32:28 CET 2017 |
| From: Arvind Yadav <arvind.yadav.cs@gmail.com> |
| Date: Tue, 3 Jan 2017 17:00:27 +0530 |
| Subject: gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap |
| |
| 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-email-arvind.yadav.cs@gmail.com |
| Signed-off-by: Sasha Levin <alexander.levin@verizon.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| drivers/gpu/drm/mgag200/mgag200_main.c | 2 ++ |
| 1 file changed, 2 insertions(+) |
| |
| --- 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_devi |
| } |
| |
| mem = pci_iomap(mdev->dev->pdev, 0, 0); |
| + if (!mem) |
| + return -ENOMEM; |
| |
| mdev->mc.vram_size = mga_probe_vram(mdev, mem); |
| |