From 360a55ddd309e3a45b227a4a905ae7120dd16169 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen 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