From: Jouni Malinen <j@w1.fi>
Date: Sun, 27 Nov 2011 21:00:37 +0000 (+0200)
Subject: Interworking: Verify that BSS information includes SSID
X-Git-Tag: aosp-jb-start~240
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbfdb3927cdd347f19b24d152d29342cd5b277e3;p=thirdparty%2Fhostap.git

Interworking: Verify that BSS information includes SSID

Better make sure that the SSID is available before dereferencing
the pointer to the SSID element.

Signed-hostap: Jouni Malinen <j@w1.fi>
---

diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
index 2592688b0..d42aa407c 100644
--- a/wpa_supplicant/interworking.c
+++ b/wpa_supplicant/interworking.c
@@ -571,6 +571,8 @@ static int interworking_connect_3gpp(struct wpa_supplicant *wpa_s,
 	const u8 *ie;
 
 	ie = wpa_bss_get_ie(bss, WLAN_EID_SSID);
+	if (ie == NULL)
+		return -1;
 	wpa_printf(MSG_DEBUG, "Interworking: Connect with " MACSTR " (3GPP)",
 		   MAC2STR(bss->bssid));