From 58ec4ec1c1d0168572f4040346814a199ecafea9 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Fri, 3 Feb 2017 17:58:31 -0600
Subject: [PATCH] wsc: Make sure the initial scan can be started

In push button mode, ensure the initial scan was actually queued
successfully.
---
 src/wsc.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/wsc.c b/src/wsc.c
index fc2c4c0e..deb0b6ee 100644
--- a/src/wsc.c
+++ b/src/wsc.c
@@ -678,6 +678,13 @@ static bool wsc_start_pushbutton(struct wsc *wsc)
 	wsc->scan_id = scan_active(device_get_ifindex(wsc->device),
 					wsc->wsc_ies, wsc->wsc_ies_size,
 					NULL, scan_results, wsc, NULL);
+	if (!wsc->scan_id) {
+		l_free(wsc->wsc_ies);
+		wsc->wsc_ies = NULL;
+
+		return false;
+	}
+
 	wsc->walk_timer = l_timeout_create(WALK_TIME, walk_timeout, wsc, NULL);
 
 	return true;