From: zsq <zsq@rock-chips.com>
Date: Fri, 20 Apr 2012 09:50:43 +0000 (+0000)
Subject: add some param check condition
X-Git-Tag: firefly_0821_release~9361
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=12736aef5be80bb8a249ab845231a6a39da7523d;p=firefly-linux-kernel-4.4.55.git

add some param check condition
---

diff --git a/drivers/video/rockchip/rga/rga_drv.c b/drivers/video/rockchip/rga/rga_drv.c
index 97791cb977cf..725ed796ae9f 100755
--- a/drivers/video/rockchip/rga/rga_drv.c
+++ b/drivers/video/rockchip/rga/rga_drv.c
@@ -323,6 +323,15 @@ static int rga_check_param(const struct rga_req *req)
     	}
     }
 
+    if(!((req->render_mode == color_fill_mode) || (req->render_mode == line_point_drawing_mode)))
+    {
+    	if (unlikely((req->src.vir_w <= 0) || (req->src.vir_w > 8191) || (req->src.vir_h <= 0) || (req->src.vir_h > 8191))) 
+        {
+    		ERR("invalid source resolution vir_w = %d, vir_h = %d\n", req->src.vir_w, req->src.vir_h);
+    		return  -EINVAL;
+    	}
+    }
+
 	//check dst width and height
 	if (unlikely((req->dst.act_w <= 0) || (req->dst.act_w > 2048) || (req->dst.act_h <= 0) || (req->dst.act_h > 2048))) 
     {
@@ -330,6 +339,12 @@ static int rga_check_param(const struct rga_req *req)
 		return	-EINVAL;
 	}
 
+    if (unlikely((req->dst.vir_w <= 0) || (req->dst.vir_w > 2048) || (req->dst.vir_h <= 0) || (req->dst.vir_h > 2048))) 
+    {
+		ERR("invalid destination resolution vir_w = %d, vir_h = %d\n", req->dst.vir_w, req->dst.vir_h);
+		return	-EINVAL;
+	}
+
 	//check src_vir_w
 	if(unlikely(req->src.vir_w < req->src.act_w)){
 		ERR("invalid src_vir_w act_w = %d, vir_w = %d\n", req->src.act_w, req->src.vir_w);