This makes the netns checkpoint code skip interfaces that are not up. Later, we want to make it possible to checkpoint down interfaces with a flag, but for now this helps prevent people from getting stuck on stock kernels with various unsupported and persistent virtual interfaces, such as tunnel devices.
Signed-off-by: Dan Smith <[email protected]> Cc: [email protected] --- net/checkpoint_dev.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/net/checkpoint_dev.c b/net/checkpoint_dev.c index bc0415d..1e053f9 100644 --- a/net/checkpoint_dev.c +++ b/net/checkpoint_dev.c @@ -268,7 +268,13 @@ int checkpoint_netns(struct ckpt_ctx *ctx, void *ptr) goto out; for_each_netdev(net, dev) { - ret = checkpoint_obj(ctx, dev, CKPT_OBJ_NETDEV); + if (dev->flags & IFF_UP) + ret = checkpoint_obj(ctx, dev, CKPT_OBJ_NETDEV); + else + /* TODO: There should be a flag to enable checkpoint + * of downed interfaces + */ + ret = 0; if (ret < 0) break; } -- 1.6.2.5 _______________________________________________ Containers mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
