From af7d0c64a88a59c237db90528f86af4b375ed341 Mon Sep 17 00:00:00 2001
From: Szymon Janc <szymon.janc@codecoup.pl>
Date: Mon, 13 Feb 2017 20:38:13 +0100
Subject: [PATCH] Bluetooth: shell: Fix accessing invalid memory

argc needs to be check before accessing argv.

Change-Id: I9cb70906a388b96df4e192dd4f31eafdab25127f
Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
---
 tests/bluetooth/shell/src/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/bluetooth/shell/src/main.c b/tests/bluetooth/shell/src/main.c
index f207f8c1f0b..83bf1cde432 100644
--- a/tests/bluetooth/shell/src/main.c
+++ b/tests/bluetooth/shell/src/main.c
@@ -1404,6 +1404,10 @@ static bool hrs_simulate;
 
 static int cmd_hrs_simulate(int argc, char *argv[])
 {
+	if (argc < 2) {
+		return -EINVAL;
+	}
+
 	if (!strcmp(argv[1], "on")) {
 		static bool hrs_registered;