[Open-FCoE] [PATCH 7/7] fipvlan: Return ENODEV if no FCF are found

[Robert Love]

From: Hannes Reinecke <h...@suse.de>

When no FCF records are received fipvlan should return
an error value.

Signed-off-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Robert Love <robert.w.l...@intel.com>
---
 fipvlan.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/fipvlan.c b/fipvlan.c
index 4152caf..35dcb53 100644
--- a/fipvlan.c
+++ b/fipvlan.c
@@ -568,14 +568,14 @@ void start_fcoe()
        }
 }
 
-void print_results()
+int print_results()
 {
        struct iff *iff;
        struct fcf *fcf;
 
        if (TAILQ_EMPTY(&fcfs)) {
                printf("No Fibre Channel Forwarders Found\n");
-               return;
+               return ENODEV;
        }
 
        printf("Fibre Channel Forwarders Discovered\n");
@@ -589,6 +589,8 @@ void print_results()
                       fcf->mac_addr[3], fcf->mac_addr[4], fcf->mac_addr[5]);
        }
        printf("\n");
+
+       return 0;
 }
 
 void recv_loop(int timeout)
@@ -804,8 +806,8 @@ int main(int argc, char **argv)
 
        do_vlan_discovery();
 
-       print_results();
-       if (config.create) {
+       rc = print_results();
+       if (!rc && config.create) {
                create_missing_vlans();
                /*
                 * need to listen for the RTM_NETLINK messages
@@ -813,7 +815,7 @@ int main(int argc, char **argv)
                 */
                recv_loop(500);
        }
-       if (config.start)
+       if (!rc && config.start)
                start_fcoe();
 
        cleanup_interfaces();

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