Commit 409bbf1e authored Mar 03, 2014 by Damien Lespiau Committed by Daniel Vetter Mar 17, 2014

drm: Check if the allocation has succeeded before dereferencing newmode



We allocate memory in drm_display_mode_from_vic_index() and use it
without checking the pointer is valid. Fix that.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 366d4807

drivers/gpu/drm/drm_edid.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2580,6 +2580,9 @@ drm_display_mode_from_vic_index(struct drm_connector *connector,
		return NULL;

		newmode = drm_mode_duplicate(dev, &edid_cea_modes[cea_mode]);
		if (!newmode)
		return NULL;

		newmode->vrefresh = 0;

		return newmode;