| From d2e719afcfcd9f2b7111b0bd6fdd397afa4fb345 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Fri, 22 Nov 2024 16:14:37 +0900 |
| Subject: ksmbd: add netdev-up/down event debug print |
| |
| 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); |
| -- |
| 2.39.5 |
| |
