From: Bencheng Jing <bencheng.jing@amlogic.com>
Date: Tue, 3 Jul 2018 13:31:21 +0000 (+0800)
Subject: vlock: fix hdmi crash
X-Git-Tag: khadas-vims-v0.9.6-release~1754
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d2870dd3f2063db22a41a3bbf3684aaac7258e8;p=platform%2Fkernel%2Flinux-amlogic.git

vlock: fix hdmi crash

PD#169483: vlock: fix hdmi crash

Change-Id: I0f2770f65789430f096e16637ba5b542bd670b16
Signed-off-by: Bencheng Jing <bencheng.jing@amlogic.com>
---

diff --git a/drivers/amlogic/media/enhancement/amvecm/vlock.c b/drivers/amlogic/media/enhancement/amvecm/vlock.c
index 17c6abb..a01bbe7 100644
--- a/drivers/amlogic/media/enhancement/amvecm/vlock.c
+++ b/drivers/amlogic/media/enhancement/amvecm/vlock.c
@@ -390,10 +390,8 @@ void vlock_vmode_check(void)
 	vinfo = get_current_vinfo();
 	vlock_vmode_changed = 0;
 	memset(cur_vout_mode, 0, sizeof(cur_vout_mode));
-
-	if (vinfo->name == NULL)
-		return;
-	if (strlen(cur_vout_mode) < (strlen(vinfo->name)+1))
+	if ((vinfo->name == NULL) ||
+		(strlen(vinfo->name) > sizeof(cur_vout_mode)))
 		return;
 	strcpy(cur_vout_mode, vinfo->name);