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drm: Refuse to create zero width/height cmdline modes
[linux-2.6-microblaze.git]
/
drivers
/
gpu
/
drm
/
drm_modes.c
diff --git
a/drivers/gpu/drm/drm_modes.c
b/drivers/gpu/drm/drm_modes.c
index
1ac67d4
..
33a93fa
100644
(file)
--- a/
drivers/gpu/drm/drm_modes.c
+++ b/
drivers/gpu/drm/drm_modes.c
@@
-1864,6
+1864,9
@@
drm_mode_create_from_cmdline_mode(struct drm_device *dev,
{
struct drm_display_mode *mode;
+ if (cmd->xres == 0 || cmd->yres == 0)
+ return NULL;
+
if (cmd->cvt)
mode = drm_cvt_mode(dev,
cmd->xres, cmd->yres,