From: Jouni Malinen <j@w1.fi>
Date: Mon, 6 Jan 2014 15:54:16 +0000 (+0200)
Subject: Fix TX status processing during AP mode shutdown in wpa_supplicant
X-Git-Tag: hostap_2_1~163
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6fc61e180ed0706fb7784e768649541974c7b7f5;p=thirdparty%2Fhostap.git

Fix TX status processing during AP mode shutdown in wpa_supplicant

A TX status event could be received after the AP interface has already
been deinitialized. This needs to check for NULL pointer before trying
to indicate the event to AP functions.

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

diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
index 412db23bc..ea4e6bba5 100644
--- a/wpa_supplicant/ap.c
+++ b/wpa_supplicant/ap.c
@@ -680,6 +680,8 @@ void ap_eapol_tx_status(void *ctx, const u8 *dst,
 {
 #ifdef NEED_AP_MLME
 	struct wpa_supplicant *wpa_s = ctx;
+	if (!wpa_s->ap_iface)
+		return;
 	hostapd_tx_status(wpa_s->ap_iface->bss[0], dst, data, len, ack);
 #endif /* NEED_AP_MLME */
 }