service: Check NULL pointer when setting ipconfig

Fixes BMC#22766

diff --git a/src/service.c b/src/service.c
index befbe37..6a68346 100644 (file)
--- a/src/service.c
+++ b/src/service.c
@@ -2732,6 +2732,9 @@ static int set_ipconfig(struct connman_service *service,
        enum connman_ipconfig_type type;
        int err;
 
+       if (ipconfig == NULL)
+               return -EINVAL;
+
        old_method = __connman_ipconfig_get_method(ipconfig);
 
        if (is_connecting_state(service, state) ||