6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Namjae Jeon linkinjeon@kernel.org
[ Upstream commit 5f3f274e2ce68999b49901de4794c4b04125b154 ]
Add netdev-up/down event debug print to find what netdev is connected or disconnected.
Signed-off-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Steve French stfrench@microsoft.com Stable-dep-of: 21a4e47578d4 ("ksmbd: fix use-after-free in __smb2_lease_break_noti()") Signed-off-by: Sasha Levin sashal@kernel.org --- fs/smb/server/transport_tcp.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c index cc77ad4f765a9..0d9007285e30b 100644 --- a/fs/smb/server/transport_tcp.c +++ b/fs/smb/server/transport_tcp.c @@ -521,6 +521,8 @@ static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event, found = 1; if (iface->state != IFACE_STATE_DOWN) break; + ksmbd_debug(CONN, "netdev-up event: netdev(%s) is going up\n", + iface->name); ret = create_socket(iface); if (ret) return NOTIFY_OK; @@ -531,6 +533,8 @@ static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event, iface = alloc_iface(kstrdup(netdev->name, KSMBD_DEFAULT_GFP)); if (!iface) return NOTIFY_OK; + ksmbd_debug(CONN, "netdev-up event: netdev(%s) is going up\n", + iface->name); ret = create_socket(iface); if (ret) break; @@ -540,6 +544,8 @@ static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event, list_for_each_entry(iface, &iface_list, entry) { if (!strcmp(iface->name, netdev->name) && iface->state == IFACE_STATE_CONFIGURED) { + ksmbd_debug(CONN, "netdev-down event: netdev(%s) is going down\n", + iface->name); tcp_stop_kthread(iface->ksmbd_kthread); iface->ksmbd_kthread = NULL; mutex_lock(&iface->sock_release_lock);