Patch "gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap" has been added to the 4.4-stable tree

Patch "gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     gpu-drm-mgag200-mgag200_main-handle-error-from-pci_iomap.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Sun Nov 19 12:02:55 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);
 


Patches currently in stable-queue which might be from arvind.yadav.cs@gmail.com are

queue-4.4/gpu-drm-mgag200-mgag200_main-handle-error-from-pci_iomap.patch
queue-4.4/media-imon-fix-null-ptr-deref-in-imon_probe.patch
queue-4.4/drm-sti-sti_vtg-handle-return-null-error-from-devm_ioremap_nocache.patch