[lxc-devel] [lxc/master] network: simplify lxc_network_move_created_netdev_priv()
brauner on Github
lxc-bot at linuxcontainers.org
Wed Jul 3 21:57:20 UTC 2019
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From 24190194c109767a30e974826b58fb557a70bd1f Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner at ubuntu.com>
Date: Wed, 3 Jul 2019 23:55:57 +0200
Subject: [PATCH] network: simplify lxc_network_move_created_netdev_priv()
Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>
---
src/lxc/network.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)
diff --git a/src/lxc/network.c b/src/lxc/network.c
index ca74b1e62d..dcedc01507 100644
--- a/src/lxc/network.c
+++ b/src/lxc/network.c
@@ -217,6 +217,8 @@ static int instantiate_veth(struct lxc_handler *handler, struct lxc_netdev *netd
goto out_delete;
}
+ strlcpy(netdev->created_name, veth2, IFNAMSIZ);
+
/* changing the high byte of the mac address to 0xfe, the bridge interface
* will always keep the host's mac address and not take the mac address
* of a container */
@@ -3144,31 +3146,21 @@ int lxc_network_move_created_netdev_priv(struct lxc_handler *handler)
lxc_list_for_each(iterator, network) {
int ret;
- char ifname[IFNAMSIZ];
struct lxc_netdev *netdev = iterator->elem;
if (!netdev->ifindex)
continue;
- /* retrieve the name of the interface */
- if (!if_indextoname(netdev->ifindex, ifname)) {
- ERROR("No interface corresponding to ifindex \"%d\"",
- netdev->ifindex);
- return -1;
- }
-
- ret = lxc_netdev_move_by_name(ifname, pid, NULL);
+ ret = lxc_netdev_move_by_index(netdev->ifindex, pid, NULL);
if (ret) {
errno = -ret;
- SYSERROR("Failed to move network device \"%s\" to network namespace %d",
- ifname, pid);
+ SYSERROR("Failed to move network device \"%s\" with ifindex %d to network namespace %d",
+ netdev->created_name, netdev->ifindex, pid);
return -1;
}
- strlcpy(netdev->created_name, ifname, IFNAMSIZ);
-
- DEBUG("Moved network device \"%s\" to network namespace of %d",
- netdev->created_name, pid);
+ DEBUG("Moved network device \"%s\" with ifindex %d to network namespace of %d",
+ netdev->created_name, netdev->ifindex, pid);
}
return 0;
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