From: Dmitrii Tcvetkov <demfloro@xxxxxxxxxxx>
This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit 52dfcc5ccfbb6697ac3cac7f7ff1e712760e1216 ]
Hello,
after this commit:
commit f045f459d925138fe7d6193a8c86406bda7e49da
Author: Ben Skeggs <bskeggs@xxxxxxxxxx>
Date: Thu Jun 2 12:23:31 2016 +1000
drm/nouveau/fbcon: fix out-of-bounds memory accesses
kernel started to oops when loading nouveau module when using GTX 780 Ti
video adapter. This patch fixes the problem.
Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=120591
Signed-off-by: Dmitrii Tcvetkov <demfloro@xxxxxxxxxxx>
Suggested-by: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
Fixes: f045f459d925 ("nouveau_fbcon_init()")
Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_fbcon.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index ff6358f..993c9a0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -568,7 +568,8 @@ nouveau_fbcon_init(struct drm_device *dev)
if (ret)
goto fini;
- fbcon->helper.fbdev->pixmap.buf_align = 4;
+ if (fbcon->helper.fbdev)
+ fbcon->helper.fbdev->pixmap.buf_align = 4;
return 0;
fini:
--
2.5.0
--
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