From: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Date: Fri, 13 Dec 2013 09:32:36 +0000 (+0100)
Subject: hostapd: Clear interface_added flag on error path
X-Git-Tag: hostap_2_1~457
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=493ba877c3057d8246d982911a87754e1cf41b19;p=thirdparty%2Fhostap.git

hostapd: Clear interface_added flag on error path

If more BSSes are added in config file than are supported by the driver,
segmentation fault can appear. For this case, the interface_added flag
needs to be cleared if adding a new BSS fails.

Signed-hostap: Marek Kwaczynski <marek.kwaczynski@tieto.com>
---

diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 6fe295609..a436c2aec 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -667,6 +667,7 @@ static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
 				   NULL, first == -1)) {
 			wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
 				   MACSTR ")", MAC2STR(hapd->own_addr));
+			hapd->interface_added = 0;
 			return -1;
 		}
 	}