[nautilus-sendto] Fix possible crasher in Bluetooth plugin

[Bastien Nocera <hadess src gnome org>]

commit ce027b0b83038d36e7be0116e4d2a472e310f605
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Jan 21 15:18:42 2010 +0000

    Fix possible crasher in Bluetooth plugin
    
    Avoid crashing when the dbus_g_proxy_call() fails but returns
    no error.
    
    https://bugzilla.redhat.com/show_bug.cgi?id=554142

 src/plugins/bluetooth/bluetooth.c |   31 +++++++++++++++++--------------
 1 files changed, 17 insertions(+), 14 deletions(-)
---
diff --git a/src/plugins/bluetooth/bluetooth.c b/src/plugins/bluetooth/bluetooth.c
index 972a87b..f2db2dd 100644
--- a/src/plugins/bluetooth/bluetooth.c
+++ b/src/plugins/bluetooth/bluetooth.c
@@ -81,22 +81,25 @@ init (NstPlugin *plugin)
 	if (dbus_g_proxy_call (manager, "DefaultAdapter", &e,
 			   G_TYPE_INVALID, DBUS_TYPE_G_OBJECT_PATH, &adapter, G_TYPE_INVALID) == FALSE) {
 		g_object_unref (manager);
-		if (e->domain == DBUS_GERROR &&
-		    e->code == DBUS_GERROR_REMOTE_EXCEPTION) {
-			const char *name;
+		if (e != NULL) {
+			if (e->domain == DBUS_GERROR &&
+			    e->code == DBUS_GERROR_REMOTE_EXCEPTION) {
+				const char *name;
 
-			name = dbus_g_error_get_name (e);
+				name = dbus_g_error_get_name (e);
 
-			/* No adapter */
-			if (g_str_equal (name, "org.bluez.Error.NoSuchAdapter") != FALSE) {
-				g_error_free (e);
-				return FALSE;
+				/* No adapter */
+				if (g_str_equal (name, "org.bluez.Error.NoSuchAdapter") != FALSE) {
+					g_error_free (e);
+					return FALSE;
+				}
 			}
+			g_warning ("Couldn't get default bluetooth adapter: %s",
+				   e->message);
+			g_error_free (e);
+		} else {
+			g_warning ("Couldn't get default bluetooth adapter: No error given");
 		}
-
-		g_warning ("Couldn't get default bluetooth adapter: %s",
-			   e->message);
-		g_error_free (e);
 		return FALSE;
 	}