[PATCH] libhal: do not dereference *reason_why_locked if it's NULL

[Guillem Jover]

---
 libhal/libhal.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/libhal/libhal.c b/libhal/libhal.c
index dfdbcce..6c1480c 100644
--- a/libhal/libhal.c
+++ b/libhal/libhal.c
@@ -2274,6 +2274,8 @@ libhal_device_lock (LibHalContext *ctx,
 			if (reason_why_locked != NULL) {
 				*reason_why_locked =
 					dbus_malloc0 (strlen (error->message) + 1);
+				if (*reason_why_locked == NULL)
+					return FALSE;
 				strcpy (*reason_why_locked, error->message);
 			}
 		}
-- 
1.5.3.5