diff options
| author | Dmitrii Tcvetkov <demfloro@demfloro.ru> | 2016-06-20 13:52:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-27 09:47:34 -0700 |
| commit | 15dc6a484a8e4b4a4f8a43bc0ffdcb28dca51932 (patch) | |
| tree | 2905857b9021b80e8f57c76ce876d6b2e81961c5 | |
| parent | fbf9b544a2bc0900142c723b804889aa0f35216c (diff) | |
drm/nouveau: fix for disabled fbdev emulation
commit 52dfcc5ccfbb6697ac3cac7f7ff1e712760e1216 upstream.
Hello,
after this commit:
commit f045f459d925138fe7d6193a8c86406bda7e49da
Author: Ben Skeggs <bskeggs@redhat.com>
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@demfloro.ru>
Suggested-by: Ilia Mirkin <imirkin@alum.mit.edu>
Fixes: f045f459d925 ("nouveau_fbcon_init()")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fbcon.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index bd89c8656c93..e40a1b07a014 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -557,7 +557,8 @@ 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: |