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 6fe2956..a436c2a 100644 (file)
--- 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;
                }
        }