diff options
Diffstat (limited to 'src/vnet/devices/tap')
| -rw-r--r-- | src/vnet/devices/tap/tap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c index 3bbdd05cd4d..d0ed58c1f06 100644 --- a/src/vnet/devices/tap/tap.c +++ b/src/vnet/devices/tap/tap.c @@ -182,6 +182,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) if (args->host_namespace) { int fd; + int rc; old_netns_fd = open ("/proc/self/ns/net", O_RDONLY); if ((fd = open_netns_fd ((char *) args->host_namespace)) == -1) { @@ -197,14 +198,15 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) args->rv = VNET_API_ERROR_NETLINK_ERROR; goto error; } - if (setns (fd, CLONE_NEWNET) == -1) + rc = setns (fd, CLONE_NEWNET); + close (fd); + if (rc == -1) { args->rv = VNET_API_ERROR_SYSCALL_ERROR_3; args->error = clib_error_return_unix (0, "setns '%s'", args->host_namespace); goto error; } - close (fd); if ((vif->ifindex = if_nametoindex ((char *) args->host_if_name)) == 0) { args->rv = VNET_API_ERROR_SYSCALL_ERROR_3; |