P2P: Abort ongoing scan when p2p_find is stopped

When p2p_find is stopped, send request to the driver
in order to cancel an ongoing scan if there is one.

Signed-off-by: Ben Rosenfeld <ben.rosenfeld@intel.com>

wpa_supplicant/p2p_supplicant.c

@@ -2389,6 +2389,10 @@ static void wpas_dev_lost(void *ctx, const u8 *dev_addr)
 static void wpas_find_stopped(void *ctx)
 {
 	struct wpa_supplicant *wpa_s = ctx;
+
+	if (wpa_s->p2p_scan_work && wpas_abort_ongoing_scan(wpa_s) < 0)
+		wpa_printf(MSG_DEBUG, "P2P: Abort ongoing scan failed");
+
 	wpa_msg_global(wpa_s, MSG_INFO, P2P_EVENT_FIND_STOPPED);
 	wpas_notify_p2p_find_stopped(wpa_s);
 }

wpa_supplicant/scan.c

@@ -2544,7 +2544,13 @@ int wpas_mac_addr_rand_scan_set(struct wpa_supplicant *wpa_s,
 
 int wpas_abort_ongoing_scan(struct wpa_supplicant *wpa_s)
 {
-	if (wpa_s->scan_work && wpa_s->own_scan_running) {
+	int scan_work = !!wpa_s->scan_work;
+
+#ifdef CONFIG_P2P
+	scan_work |= !!wpa_s->p2p_scan_work;
+#endif /* CONFIG_P2P */
+
+	if (scan_work && wpa_s->own_scan_running) {
 		wpa_dbg(wpa_s, MSG_DEBUG, "Abort an ongoing scan");
 		return wpa_drv_abort_scan(wpa_s);
 	}