From 35530d1472416795b8d4982306895ca3f3f93fcf Mon Sep 17 00:00:00 2001
From: Jouni Malinen <jouni.malinen@atheros.com>
Date: Thu, 14 Apr 2011 19:52:26 +0300
Subject: [PATCH] driver_test: Check set_ssid len before trying to hexdump the
 SSID

---
 src/drivers/driver_test.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/drivers/driver_test.c b/src/drivers/driver_test.c
index 9e502e4fc..6bfa46dbc 100644
--- a/src/drivers/driver_test.c
+++ b/src/drivers/driver_test.c
@@ -1114,9 +1114,11 @@ static int test_driver_set_ssid(void *priv, const u8 *buf, int len)
 	struct test_driver_bss *bss = priv;
 
 	wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, bss->ifname);
+	if (len < 0)
+		return -1;
 	wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
 
-	if (len < 0 || (size_t) len > sizeof(bss->ssid))
+	if ((size_t) len > sizeof(bss->ssid))
 		return -1;
 
 	os_memcpy(bss->ssid, buf, len);