git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6159 818b1a75-f10b-46b9-bf7c-635c3b92a50f

openair-cn/SGW-LITE/spgw_config.c

@@ -132,7 +132,9 @@ sgw_ipv6_mask_in6_addr(
 
 
 int spgw_system(char *command_pP, int abort_on_errorP) {
-  int ret = 0;
+  int ret = -1;
+  if (command_pP) {
+      SPGW_APP_INFO("system command: %s\n",command_pP);
       ret = system(command_pP);
       if (ret < 0) {
           SPGW_APP_ERROR("ERROR in system command %s: %d\n",
@@ -141,6 +143,7 @@ int spgw_system(char *command_pP, int abort_on_errorP) {
               exit(-1); // may be not exit
           }
       }
+  }
   return ret;
 }