[evolution-mapi] Bug #624013 - Free/Busy fetch in offline claims a runtime error

[Milan Crha <mcrha src gnome org>]

commit 18c3c577236ac4e2f0dd53795e370c97614101b1
Author: Milan Crha <mcrha redhat com>
Date:   Mon Jul 12 18:23:41 2010 +0200

    Bug #624013 - Free/Busy fetch in offline claims a runtime error

 src/calendar/e-cal-backend-mapi.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/calendar/e-cal-backend-mapi.c b/src/calendar/e-cal-backend-mapi.c
index 924656c..4f07a0d 100644
--- a/src/calendar/e-cal-backend-mapi.c
+++ b/src/calendar/e-cal-backend-mapi.c
@@ -2462,6 +2462,11 @@ e_cal_backend_mapi_get_free_busy (ECalBackendSync *backend, EDataCal *cal,
 	cbmapi = E_CAL_BACKEND_MAPI (backend);
 	priv = cbmapi->priv;
 
+	if (!priv->conn) {
+		g_propagate_error (perror, EDC_ERROR (RepositoryOffline));
+		return;
+	}
+
 	if (!exchange_mapi_cal_utils_get_free_busy_data (priv->conn, users, start, end, freebusy, &mapi_error)) {
 		mapi_error_to_edc_error (perror, mapi_error, OtherError, _("Failed to get Free/Busy data"));