[PATCH 14/18] testsuite/smokey: net: do not down a previously running test interface

[Philippe Gerum via Xenomai]

If the test interface is already up on entry, keep it that way on
exit, so that we may run this test multiple times without having to
reconfigure.

Signed-off-by: Philippe Gerum <r...@xenomai.org>
---
 testsuite/smokey/net_common/setup.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/testsuite/smokey/net_common/setup.c 
b/testsuite/smokey/net_common/setup.c
index d3791038f..1badabdfb 100644
--- a/testsuite/smokey/net_common/setup.c
+++ b/testsuite/smokey/net_common/setup.c
@@ -36,7 +36,7 @@ struct module {
 static struct rtnet_core_cmd cmd;
 static int fd;
 static pthread_t loopback_server_tid;
-static bool loopback_thread_created;
+static bool loopback_thread_created, ifup;
 static struct module modules[] = {
        {
                .name = "rtnet",
@@ -447,6 +447,7 @@ int smokey_net_setup(const char *driver, const char *intf, 
int tested_config,
                err = do_up(intf);
                if (err < 0)
                        goto err;
+               ifup = true;
        }
 
        smokey_trace("Waiting for interface %s to be running", intf);
@@ -543,9 +544,11 @@ int smokey_net_teardown(const char *driver, const char 
*intf, int tested_config)
                                err = tmp;
                }
 
-               tmp = do_down(intf);
-               if (err == 0)
-                       err = tmp;
+               if (ifup) {
+                       tmp = do_down(intf);
+                       if (err == 0)
+                               err = tmp;
+               }
 
                close(fd);
        } else
-- 
2.17.2