diff options
| author | Stefan Metzmacher <metze@samba.org> | 2025-08-12 18:45:46 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2025-08-17 18:23:22 -0500 |
| commit | bac7b996d42e458a94578f4227795a0d4deef6fa (patch) | |
| tree | 6cc92e25ec88567bd7c436d41623d6006be0d144 | |
| parent | c17b750b3ad9f45f2b6f7e6f7f4679844244f0b9 (diff) | |
smb: server: split ksmbd_rdma_stop_listening() out of ksmbd_rdma_destroy()
We can't call destroy_workqueue(smb_direct_wq); before stop_sessions()!
Otherwise already existing connections try to use smb_direct_wq as
a NULL pointer.
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Fixes: 0626e6641f6b ("cifsd: add server handler for central processing and tranport layers")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
| -rw-r--r-- | fs/smb/server/connection.c | 3 | ||||
| -rw-r--r-- | fs/smb/server/transport_rdma.c | 5 | ||||
| -rw-r--r-- | fs/smb/server/transport_rdma.h | 4 |
3 files changed, 9 insertions, 3 deletions
diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c index 3f04a2977ba8..67c4f73398df 100644 --- a/fs/smb/server/connection.c +++ b/fs/smb/server/connection.c @@ -504,7 +504,8 @@ void ksmbd_conn_transport_destroy(void) { mutex_lock(&init_lock); ksmbd_tcp_destroy(); - ksmbd_rdma_destroy(); + ksmbd_rdma_stop_listening(); stop_sessions(); + ksmbd_rdma_destroy(); mutex_unlock(&init_lock); } diff --git a/fs/smb/server/transport_rdma.c b/fs/smb/server/transport_rdma.c index 8d366db5f605..5466aa8c39b1 100644 --- a/fs/smb/server/transport_rdma.c +++ b/fs/smb/server/transport_rdma.c @@ -2194,7 +2194,7 @@ int ksmbd_rdma_init(void) return 0; } -void ksmbd_rdma_destroy(void) +void ksmbd_rdma_stop_listening(void) { if (!smb_direct_listener.cm_id) return; @@ -2203,7 +2203,10 @@ void ksmbd_rdma_destroy(void) rdma_destroy_id(smb_direct_listener.cm_id); smb_direct_listener.cm_id = NULL; +} +void ksmbd_rdma_destroy(void) +{ if (smb_direct_wq) { destroy_workqueue(smb_direct_wq); smb_direct_wq = NULL; diff --git a/fs/smb/server/transport_rdma.h b/fs/smb/server/transport_rdma.h index 77aee4e5c9dc..a2291b77488a 100644 --- a/fs/smb/server/transport_rdma.h +++ b/fs/smb/server/transport_rdma.h @@ -54,13 +54,15 @@ struct smb_direct_data_transfer { #ifdef CONFIG_SMB_SERVER_SMBDIRECT int ksmbd_rdma_init(void); +void ksmbd_rdma_stop_listening(void); void ksmbd_rdma_destroy(void); bool ksmbd_rdma_capable_netdev(struct net_device *netdev); void init_smbd_max_io_size(unsigned int sz); unsigned int get_smbd_max_read_write_size(void); #else static inline int ksmbd_rdma_init(void) { return 0; } -static inline int ksmbd_rdma_destroy(void) { return 0; } +static inline void ksmbd_rdma_stop_listening(void) { } +static inline void ksmbd_rdma_destroy(void) { } static inline bool ksmbd_rdma_capable_netdev(struct net_device *netdev) { return false; } static inline void init_smbd_max_io_size(unsigned int sz) { } static inline unsigned int get_smbd_max_read_write_size(void) { return 0; } |