[v1] gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap

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Here, pci_iomap can fail, handle this case and return -ENOMEM.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 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 e79cbc2..fb03e30 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);
 
-- 
1.9.1

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