summaryrefslogtreecommitdiffstats
path: root/net/smc
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:18:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-07 02:18:07 +0000
commit6c080a1a353c6fc2590555ec7dd8982d1143d02d (patch)
tree5fb60c5cd3d6bb6496650d1605a3c51d09be2bf1 /net/smc
parentAdding debian version 6.1.85-1. (diff)
downloadlinux-6c080a1a353c6fc2590555ec7dd8982d1143d02d.tar.xz
linux-6c080a1a353c6fc2590555ec7dd8982d1143d02d.zip
Merging upstream version 6.1.90.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/smc')
-rw-r--r--net/smc/smc_pnet.c10
1 files changed, 10 insertions, 0 deletions
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);