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-rw-r--r--recipes/linux/linux-omap-pm/dss2/0012-DSS2-Verify-that-overlay-paddr-0.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0012-DSS2-Verify-that-overlay-paddr-0.patch b/recipes/linux/linux-omap-pm/dss2/0012-DSS2-Verify-that-overlay-paddr-0.patch
new file mode 100644
index 0000000000..869a27b81e
--- /dev/null
+++ b/recipes/linux/linux-omap-pm/dss2/0012-DSS2-Verify-that-overlay-paddr-0.patch
@@ -0,0 +1,41 @@
+From 24ae439174e570101d8d80fdc4b605de0040f88a 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 012/146] 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;
+
+--
+1.6.2.4
+