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| author | Hyunchul Lee <hyc.lee@gmail.com> | 2021-08-12 10:23:08 +0900 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2021-08-13 08:18:13 +0900 |
| commit | 323b1ea10263e5f11c9fb12e25f6d8beb327228c (patch) | |
| tree | 4ed839c183251aedc19c67ce844257957655258d | |
| parent | 777cad1604d68ed4379ec899d1f7d2f6a29f01f0 (diff) | |
| download | linux-323b1ea10263e5f11c9fb12e25f6d8beb327228c.tar.gz | |
ksmbd: smbd: fix kernel oops during server shutdown
if server shutdown happens in the situation that there are connections, workqueue could be destroyed before queueing disconnect work. Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/ksmbd/transport_rdma.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ksmbd/transport_rdma.c b/fs/ksmbd/transport_rdma.c index f2ae6bae83f1..58f530056ac0 100644 --- a/fs/ksmbd/transport_rdma.c +++ b/fs/ksmbd/transport_rdma.c @@ -329,7 +329,8 @@ static void smb_direct_disconnect_rdma_work(struct work_struct *work) static void smb_direct_disconnect_rdma_connection(struct smb_direct_transport *t) { - queue_work(smb_direct_wq, &t->disconnect_work); + if (t->status == SMB_DIRECT_CS_CONNECTED) + queue_work(smb_direct_wq, &t->disconnect_work); } static void smb_direct_send_immediate_work(struct work_struct *work) @@ -1415,7 +1416,7 @@ static void smb_direct_disconnect(struct ksmbd_transport *t) ksmbd_debug(RDMA, "Disconnecting cm_id=%p\n", st->cm_id); - smb_direct_disconnect_rdma_connection(st); + smb_direct_disconnect_rdma_work(&st->disconnect_work); wait_event_interruptible(st->wait_status, st->status == SMB_DIRECT_CS_DISCONNECTED); free_transport(st); |