1 files changed, 41 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0013-DSS2-Verify-that-overlay-paddr-0.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0013-DSS2-Verify-that-overlay-paddr-0.patch
new file mode 100644
index 0000000000..76b8c73630
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0013-DSS2-Verify-that-overlay-paddr-0.patch
@@ -0,0 +1,41 @@
+From 360a55ddd309e3a45b227a4a905ae7120dd16169 Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Thu, 2 Apr 2009 14:21:12 +0300
+Subject: [PATCH] DSS2: Verify that overlay paddr != 0
+
+---
+ drivers/video/omap2/dss/dispc.c   |    3 +++
+ drivers/video/omap2/dss/overlay.c |    3 +++
+ 2 files changed, 6 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
+index 6cea545..2480a03 100644
+--- a/drivers/video/omap2/dss/dispc.c
++++ b/drivers/video/omap2/dss/dispc.c
+@@ -1301,6 +1301,9 @@ static int _dispc_setup_plane(enum omap_plane plane,
+        s32 row_inc;
+        s32 pix_inc;
+ 
++       if (paddr == 0)
++               return -EINVAL;
++
+        if (plane == OMAP_DSS_GFX) {
+                if (width != out_width || height != out_height)
+                        return -EINVAL;
+diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
+index 968edbe..9209acf 100644
+--- a/drivers/video/omap2/dss/overlay.c
++++ b/drivers/video/omap2/dss/overlay.c
+@@ -331,6 +331,9 @@ static int dss_ovl_set_overlay_info(struct omap_overlay *ovl,
+        int r;
+        struct omap_overlay_info old_info;
+ 
++       if (info->paddr == 0)
++               return -EINVAL;
++
+        old_info = ovl->info;
+        ovl->info = *info;
+ 
+-- 
+1.5.6.5
+