DSS2: Verify that overlay paddr != 0

[pandora-kernel.git] / drivers / video / omap2 / dss / overlay.c

diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 968edbe..9209acf 100644 (file)
--- 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;