From 6c080a1a353c6fc2590555ec7dd8982d1143d02d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 7 May 2024 04:18:07 +0200 Subject: Merging upstream version 6.1.90. Signed-off-by: Daniel Baumann --- net/smc/smc_pnet.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'net/smc') diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c index 25fb2fd18..21b8bf23e 100644 --- a/net/smc/smc_pnet.c +++ b/net/smc/smc_pnet.c @@ -802,6 +802,16 @@ static void smc_pnet_create_pnetids_list(struct net *net) u8 ndev_pnetid[SMC_MAX_PNETID_LEN]; struct net_device *dev; + /* Newly created netns do not have devices. + * Do not even acquire rtnl. + */ + if (list_empty(&net->dev_base_head)) + return; + + /* Note: This might not be needed, because smc_pnet_netdev_event() + * is also calling smc_pnet_add_base_pnetid() when handling + * NETDEV_UP event. + */ rtnl_lock(); for_each_netdev(net, dev) smc_pnet_add_base_pnetid(net, dev, ndev_pnetid); -- cgit v1.2.3