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Message-Id: <20171119143533.933329707@linuxfoundation.org>
Date: Sun, 19 Nov 2017 15:38:42 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Arvind Yadav <arvind.yadav.cs@...il.com>,
Daniel Vetter <daniel.vetter@...ll.ch>,
Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 38/72] gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Arvind Yadav <arvind.yadav.cs@...il.com>
[ Upstream commit 4b0ea93f250afc6c1128e201b0a8a115ae613e47 ]
Here, pci_iomap can fail, handle this case and return -ENOMEM.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
Signed-off-by: Daniel Vetter <daniel.vetter@...ll.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@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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);
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