merge in jb-mr1-release history after reset to jb-mr1-dev
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index b304c09..fdcbcc2 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -1033,7 +1033,7 @@
 }
 
 
-/* Return < 0 if no scan results could be fetched or if scan results should not
+/* Return != 0 if no scan results could be fetched or if scan results should not
  * be shared with other virtual interfaces. */
 #ifdef ANDROID_P2P
 static int _wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
@@ -1057,12 +1057,15 @@
 	wpa_supplicant_notify_scanning(wpa_s, 0);
 
 #ifdef CONFIG_P2P
-	if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+	if (wpa_s->global->p2p_cb_on_scan_complete &&
+	    !wpa_s->global->p2p_disabled &&
 	    wpa_s->global->p2p != NULL && !wpa_s->sta_scan_pending) {
-		wpa_s->p2p_cb_on_scan_complete = 0;
+		wpa_s->global->p2p_cb_on_scan_complete = 0;
 		if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
 			wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
 				"stopped scan processing");
+			wpa_s->sta_scan_pending = 1;
+			wpa_supplicant_req_scan(wpa_s, 5, 0);
 			return -1;
 		}
 	}
@@ -1188,6 +1191,11 @@
 			return -1;
 		}
 		wpa_supplicant_rsn_preauth_scan_results(wpa_s);
+		/*
+		 * Do not notify other virtual radios of scan results since we do not
+		 * want them to start other associations at the same time.
+		 */
+		return 1;
 	} else {
 		wpa_dbg(wpa_s, MSG_DEBUG, "No suitable network found");
 		ssid = wpa_supplicant_pick_new_network(wpa_s);
@@ -1224,7 +1232,7 @@
 				wpa_s->network_select = 1;
 				wpa_s->auto_network_select = 1;
 				interworking_start_fetch_anqp(wpa_s);
-				return 0;
+				return 1;
 			}
 #endif /* CONFIG_INTERWORKING */
 			if (wpa_supplicant_req_sched_scan(wpa_s))
@@ -1242,14 +1250,16 @@
 	const char *rn, *rn2;
 	struct wpa_supplicant *ifs;
 #ifdef ANDROID_P2P
-	if (_wpa_supplicant_event_scan_results(wpa_s, data, 0) < 0) {
+	if (_wpa_supplicant_event_scan_results(wpa_s, data, 0) != 0) {
 #else
-	if (_wpa_supplicant_event_scan_results(wpa_s, data) < 0) {
+	if (_wpa_supplicant_event_scan_results(wpa_s, data) != 0) {
 #endif
 		/*
 		 * If no scan results could be fetched, then no need to
 		 * notify those interfaces that did not actually request
-		 * this scan.
+		 * this scan. Similarly, if scan results started a new operation on this
+		 * interface, do not notify other interfaces to avoid concurrent
+		 * operations during a connection attempt.
 		 */
 		return;
 	}
@@ -2455,11 +2465,11 @@
 	case EVENT_SCAN_RESULTS:
 		wpa_supplicant_event_scan_results(wpa_s, data);
 #ifdef CONFIG_P2P
-	if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+	if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
 	    wpa_s->global->p2p != NULL &&
 	    wpa_s->wpa_state != WPA_AUTHENTICATING &&
 	    wpa_s->wpa_state != WPA_ASSOCIATING) {
-		wpa_s->p2p_cb_on_scan_complete = 0;
+		wpa_s->global->p2p_cb_on_scan_complete = 0;
 		if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
 			wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
 				"continued after scan result processing");
diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
index b362bcb..22f709f 100644
--- a/wpa_supplicant/interworking.c
+++ b/wpa_supplicant/interworking.c
@@ -59,7 +59,7 @@
 		if (now.sec - wpa_s->last_scan.sec <= 5) {
 			wpa_printf(MSG_DEBUG, "Interworking: Old scan results "
 				   "are fresh - connect without new scan");
-			if (wpas_select_network_from_last_scan(wpa_s) == 0)
+			if (wpas_select_network_from_last_scan(wpa_s) >= 0)
 				return;
 		}
 	}
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 76f50c7..f8db14e 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -78,9 +78,7 @@
 #endif
 };
 
-#ifdef ANDROID_P2P
-static int wpas_global_scan_in_progress(struct wpa_supplicant *wpa_s);
-#endif
+
 static void wpas_p2p_long_listen_timeout(void *eloop_ctx, void *timeout_ctx);
 static struct wpa_supplicant *
 wpas_p2p_get_group_iface(struct wpa_supplicant *wpa_s, int addr_allocated,
@@ -100,22 +98,6 @@
 static void wpas_p2p_fallback_to_go_neg(struct wpa_supplicant *wpa_s,
 					int group_added);
 
-#ifdef ANDROID_P2P
-static int wpas_global_scan_in_progress(struct wpa_supplicant *wpa_s)
-{
-	struct wpa_supplicant *iface = NULL;
-
-	for (iface = wpa_s->global->ifaces; iface; iface = iface->next) {
-		if(iface->scanning  || iface->wpa_state == WPA_SCANNING) {
-			wpa_printf(MSG_DEBUG, "P2P: Scan in progress on %s,"
-			"defer P2P SEARCH", iface->ifname);
-			return 1;
-		}
-	}
-
-	return 0;
-}
-#endif
 
 static void wpas_p2p_scan_res_handler(struct wpa_supplicant *wpa_s,
 				      struct wpa_scan_results *scan_res)
@@ -162,23 +144,10 @@
 			wpa_printf(MSG_DEBUG, "Delaying P2P scan to allow "
 				   "pending station mode scan to be "
 				   "completed on interface %s", ifs->ifname);
-#ifdef ANDROID_P2P
-			ifs->p2p_cb_on_scan_complete = 1;
-#else
-			wpa_s->p2p_cb_on_scan_complete = 1;
-#endif
+			wpa_s->global->p2p_cb_on_scan_complete = 1;
 			wpa_supplicant_req_scan(ifs, 0, 0);
 			return 1;
 		}
-#ifdef ANDROID_P2P
-		else if(ifs->scanning) {
-			wpa_printf(MSG_DEBUG, "Wait for the STA scan"
-				   "to be "
-				   "completed on interface %s", ifs->ifname);
-			ifs->p2p_cb_on_scan_complete = 1;
-			return 1;
-		}
-#endif
 	}
 
 	os_memset(&params, 0, sizeof(params));
@@ -232,10 +201,13 @@
 	wpabuf_free(ies);
 
 	if (ret) {
-		if (wpa_s->scanning ||
-		    wpa_s->scan_res_handler == wpas_p2p_scan_res_handler) {
-			wpa_s->p2p_cb_on_scan_complete = 1;
-			ret = 1;
+		for (ifs = wpa_s->global->ifaces; ifs; ifs = ifs->next) {
+			if (ifs->scanning ||
+			    ifs->scan_res_handler == wpas_p2p_scan_res_handler) {
+				wpa_s->global->p2p_cb_on_scan_complete = 1;
+				ret = 1;
+				break;
+			}
 		}
 	} else
 		wpa_s->scan_res_handler = wpas_p2p_scan_res_handler;
@@ -4287,7 +4259,7 @@
 	wpa_s->p2p_long_listen = 0;
 	eloop_cancel_timeout(wpas_p2p_long_listen_timeout, wpa_s, NULL);
 	eloop_cancel_timeout(wpas_p2p_join_scan, wpa_s, NULL);
-	wpa_s->p2p_cb_on_scan_complete = 0;
+	wpa_s->global->p2p_cb_on_scan_complete = 0;
 
 	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_P2P_MGMT) {
 		wpa_drv_p2p_stop_find(wpa_s);
@@ -4620,9 +4592,9 @@
 	wpas_notify_p2p_group_started(wpa_s, ssid, network_id, 1);
 
 done:
-	if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+	if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
 	    wpa_s->global->p2p != NULL) {
-		wpa_s->p2p_cb_on_scan_complete = 0;
+		wpa_s->global->p2p_cb_on_scan_complete = 0;
 		if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
 			wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
 				"continued after successful connection");
diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 8c548b3..bf55f5e 100644
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -484,7 +484,7 @@
 	if (wpas_p2p_in_progress(wpa_s)) {
 		if (wpa_s->sta_scan_pending &&
 		    wpas_p2p_in_progress(wpa_s) == 2 &&
-		    wpa_s->p2p_cb_on_scan_complete) {
+		    wpa_s->global->p2p_cb_on_scan_complete) {
 			wpa_dbg(wpa_s, MSG_DEBUG, "Process pending station "
 				"mode scan during P2P search");
 		} else {
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 8730e0f..49830d6 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -200,9 +200,9 @@
 	wpa_supplicant_req_scan(wpa_s, 1, 0);
 
 #ifdef CONFIG_P2P
-	if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+	if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
 	    wpa_s->global->p2p != NULL) {
-		wpa_s->p2p_cb_on_scan_complete = 0;
+		wpa_s->global->p2p_cb_on_scan_complete = 0;
 		if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
 			wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
 				"continued after timed out authentication");
@@ -3471,9 +3471,9 @@
 				1000 * (timeout % 1000));
 
 #ifdef CONFIG_P2P
-	if (wpa_s->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
+	if (wpa_s->global->p2p_cb_on_scan_complete && !wpa_s->global->p2p_disabled &&
 	    wpa_s->global->p2p != NULL) {
-		wpa_s->p2p_cb_on_scan_complete = 0;
+		wpa_s->global->p2p_cb_on_scan_complete = 0;
 		if (p2p_other_scan_completed(wpa_s->global->p2p) == 1) {
 			wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Pending P2P operation "
 				"continued after failed association");
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index 0bc2880..55f3d88 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -239,6 +239,7 @@
 		WPA_CONC_PREF_STA,
 		WPA_CONC_PREF_P2P
 	} conc_pref;
+	unsigned int p2p_cb_on_scan_complete:1;
 
 #ifdef CONFIG_WIFI_DISPLAY
 	int wifi_display;
@@ -541,7 +542,6 @@
 	 */
 	char cross_connect_uplink[100];
 
-	unsigned int p2p_cb_on_scan_complete:1;
 	unsigned int sta_scan_pending:1;
 	unsigned int p2p_auto_join:1;
 	unsigned int p2p_auto_pd:1;