From: Thomas Wood <thomas.wood@intel.com>
Date: Fri, 29 Nov 2013 15:33:26 +0000 (+0000)
Subject: drm/edid: fix length check when adding extra 3D modes
X-Git-Tag: drm-fsl-dcu-for-next~6251^2~2
X-Git-Url: http://git.agner.ch/gitweb/?a=commitdiff_plain;h=7d14b95f1a3bb20bf7ad977b9268c5d1639156e2;p=linux-drm-fsl-dcu.git

drm/edid: fix length check when adding extra 3D modes

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index fb7cf0e796f6..381c698e8a3e 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2674,7 +2674,7 @@ static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
 	int modes = 0;
 	u8 cea_mode;
 
-	if (video_db == NULL || video_index > video_len)
+	if (video_db == NULL || video_index >= video_len)
 		return 0;
 
 	/* CEA modes are numbered 1..127 */