LU-8091 mount: error out properly in server_lsi2mti()

server_lsi2mti() should return an error if no proper NID is
initialized, otherwise, target will register successfully with
an invalid empty NID.

Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Change-Id: Ia5fd78e4df6344764109486ce1082099054ebf1e
Reviewed-on: http://review.whamcloud.com/19933
Tested-by: Jenkins
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>

diff --git a/lustre/obdclass/obd_mount_server.c b/lustre/obdclass/obd_mount_server.c
index 9945ef0..ca68fb0 100644 (file)
--- a/lustre/obdclass/obd_mount_server.c
+++ b/lustre/obdclass/obd_mount_server.c
@@ -1131,6 +1131,13 @@ static int server_lsi2mti(struct lustre_sb_info *lsi,
                }
        }
 
+       if (mti->mti_nid_count == 0) {
+               CERROR("Failed to get NID for server %s, please check whether "
+                      "the target is specifed with improper --servicenode or "
+                      "--network options.\n", mti->mti_svname);
+               RETURN(-EINVAL);
+       }
+
        mti->mti_lustre_ver = LUSTRE_VERSION_CODE;
        mti->mti_config_ver = 0;