From: Jouni Malinen <j@w1.fi>
Date: Tue, 6 Jan 2015 20:54:52 +0000 (+0200)
Subject: TDLS: Fix an interface addition error path
X-Git-Tag: hostap_2_4~514
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52a80583ba56624358cfb1aa4ca6303420859e2f;p=thirdparty%2Fhostap.git

TDLS: Fix an interface addition error path

It is possible for wpa_tdls_teardown_peers() to be called with sm ==
NULL in case interface addition fails before the WPA state machine is
initialized.

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

diff --git a/src/rsn_supp/tdls.c b/src/rsn_supp/tdls.c
index 4baeb3b0d..10413edc5 100644
--- a/src/rsn_supp/tdls.c
+++ b/src/rsn_supp/tdls.c
@@ -2776,6 +2776,8 @@ void wpa_tdls_teardown_peers(struct wpa_sm *sm)
 {
 	struct wpa_tdls_peer *peer, *tmp;
 
+	if (!sm)
+		return;
 	peer = sm->tdls;
 
 	wpa_printf(MSG_DEBUG, "TDLS: Tear down peers");