global: make sure to check service before checking service->port to prevent crashes

1 files changed, 3 insertions, 5 deletions

diff --git a/src/installation_proxy.c b/src/installation_proxy.c
index eacab9d..d4c1750 100644
--- a/src/installation_proxy.c
+++ b/src/installation_proxy.c
@@ -104,12 +104,10 @@ static instproxy_error_t instproxy_error(property_list_service_error_t err)
  */
 instproxy_error_t instproxy_client_new(idevice_t device, lockdownd_service_descriptor_t service, instproxy_client_t *client)
 {
-        if (!device)
-                return INSTPROXY_E_INVALID_ARG;
-
         property_list_service_client_t plistclient = NULL;
-        if (property_list_service_client_new(device, service, &plistclient) != PROPERTY_LIST_SERVICE_E_SUCCESS) {
-                return INSTPROXY_E_CONN_FAILED;
+        instproxy_error_t err = instproxy_error(property_list_service_client_new(device, service, &plistclient));
+        if (err != INSTPROXY_E_SUCCESS) {
+                return err;
         }
 
         instproxy_client_t client_loc = (instproxy_client_t) malloc(sizeof(struct instproxy_client_private));