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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-01-03 17:00:27 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-21 09:23:26 +0100
commit0e2245ab6901c5ca2757e5cb9bd5242a092ca3b0 (patch)
tree07ebf4ed41fbc7578bb033e12cd9a35df9670655
parent473286bdd58d820118ebef8a2c0733cef33ec432 (diff)
gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap
[ 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>
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_main.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index e79cbc25ae3c..fb03e3057485 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);