From 510d650b85aceaccf4b4d5e4a815a1a2c59c5fc8 Mon Sep 17 00:00:00 2001
From: Olivier Martin <olivier@labapart.com>
Date: Sun, 19 May 2019 00:18:50 +0200
Subject: [PATCH] gattlib_adapter_open: Ensure adapter pointer is not NULL

---
 bluez/gattlib_adapter.c | 4 ++++
 dbus/gattlib.c          | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/bluez/gattlib_adapter.c b/bluez/gattlib_adapter.c
index 27e24cd..32d5b11 100644
--- a/bluez/gattlib_adapter.c
+++ b/bluez/gattlib_adapter.c
@@ -26,6 +26,10 @@
 int gattlib_adapter_open(const char* adapter_name, void** adapter) {
 	int dev_id;
 
+	if (adapter == NULL) {
+		return -1;
+	}
+
 	if (adapter_name) {
 		dev_id = hci_devid(adapter_name);
 	} else {
diff --git a/dbus/gattlib.c b/dbus/gattlib.c
index ddee5c3..3c132dd 100644
--- a/dbus/gattlib.c
+++ b/dbus/gattlib.c
@@ -52,6 +52,10 @@ int gattlib_adapter_open(const char* adapter_name, void** adapter) {
 	OrgBluezAdapter1 *adapter_proxy;
 	GError *error = NULL;
 
+	if (adapter == NULL) {
+		return -1;
+	}
+
 	if (adapter_name) {
 		snprintf(object_path, sizeof(object_path), "/org/bluez/%s", adapter_name);
 	} else {