D-Bus: Fix P2P GroupStarted signal not to use uninitialized IP buffer

[thirdparty/hostap.git] / wpa_supplicant / p2p_supplicant.c

diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 412903f1d6e2eaef1b7eff2393b4ee27528d6702..3f2b47b7e72d8d154159f1526554e433d2554cd1 100644 (file)
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -7215,7 +7215,7 @@ void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
        u8 go_dev_addr[ETH_ALEN];
        int persistent;
        int freq;
-       u8 ip[3 * 4];
+       u8 ip[3 * 4], *ip_ptr = NULL;
        char ip_addr[100];
 
        if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GROUP_FORMATION) {
@@ -7262,6 +7262,7 @@ void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
                                  ip[8], ip[9], ip[10], ip[11]);
                if (os_snprintf_error(sizeof(ip_addr), res))
                        ip_addr[0] = '\0';
+               ip_ptr = ip;
        }
 
        wpas_p2p_group_started(wpa_s, 0, ssid, freq,
@@ -7274,7 +7275,7 @@ void wpas_p2p_completed(struct wpa_supplicant *wpa_s)
                wpas_p2p_store_persistent_group(wpa_s->p2pdev,
                                                ssid, go_dev_addr);
 
-       wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 1, ip);
+       wpas_notify_p2p_group_started(wpa_s, ssid, persistent, 1, ip_ptr);
 }