Hello,

after this commit:

commit f045f459d925138fe7d6193a8c86406bda7e49da
Author: Ben Skeggs <[email protected]>
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 <[email protected]>
Suggested-by: Ilia Mirkin <[email protected]>
Fixes: f045f459d925 ("nouveau_fbcon_init()")
---
 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 300ea03..d1f248f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -552,7 +552,8 @@ 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:
-- 
2.9.0

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