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Diffstat (limited to 'net/smc/smc_pnet.c')
-rw-r--r--net/smc/smc_pnet.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 11775401df..2adb92b8c4 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -806,6 +806,16 @@ 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);
@@ -1103,8 +1113,8 @@ static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev,
list_for_each_entry(ismdev, &smcd_dev_list.list, list) {
if (smc_pnet_match(ismdev->pnetid, ndev_pnetid) &&
!ismdev->going_away &&
- (!ini->ism_peer_gid[0] ||
- !smc_ism_cantalk(ini->ism_peer_gid[0], ini->vlan_id,
+ (!ini->ism_peer_gid[0].gid ||
+ !smc_ism_cantalk(&ini->ism_peer_gid[0], ini->vlan_id,
ismdev))) {
ini->ism_dev[0] = ismdev;
break;