From bae6018698fe6d16d8f9e4c32f413125d237304d Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Sun, 10 Aug 2008 08:46:09 +0100
Subject: don't try to access klass->get_stats() if it's not set

---
 src/dkp-device.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/dkp-device.c b/src/dkp-device.c
index a76829e..809aa48 100644
--- a/src/dkp-device.c
+++ b/src/dkp-device.c
@@ -291,6 +291,13 @@ dkp_device_get_statistics (DkpDevice *device, const gchar *type, guint timespan,
 	GValue *value;
 	guint i;
 
+	/* doesn't even try to support this */
+	if (klass->get_stats == NULL) {
+		error = g_error_new (DKP_DAEMON_ERROR, DKP_DAEMON_ERROR_GENERAL, "device does not support getting stats");
+		dbus_g_method_return_error (context, error);
+		goto out;
+	}
+
 	array = klass->get_stats (device, type, timespan);
 	/* maybe the device doesn't support histories */
 	if (array == NULL) {
-- 
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