Fix derefrencing of NULL pointer

In some cases network->device could be NULL which leads to crash

Change-Id: I14210822179f0d8ecbc8bcd046700d1118409cbd
Signed-off-by: Jaehyun Kim <jeik01.kim@samsung.com>

diff --git a/src/service.c b/src/service.c
index 90ff7e5..6c4dbd1 100755 (executable)
--- a/src/service.c
+++ b/src/service.c
@@ -7618,6 +7618,9 @@ static int calculate_score_last_user_selection(struct connman_service *service)
        struct tm* ref_timeinfo;
 
        device = connman_network_get_device(service->network);
+       if (!device)
+               return 0;
+
        last_user_selection_time = connman_device_get_last_user_selection_time(device);
        last_user_selection_ident = connman_device_get_last_user_selection_ident(device);
        frequency = connman_network_get_frequency(service->network);