diff options
| author | Stefan Metzmacher <metze@samba.org> | 2025-08-04 14:10:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-20 18:30:16 +0200 |
| commit | 65969af6dd5ad016685086789119bedf59dc1a02 (patch) | |
| tree | 41b6d046b444d3e047dda48342cf46af61920d7b | |
| parent | 89237dd4c8c46e7cb86bd7dcdf1d87d789e82021 (diff) | |
smb: client: let send_done() cleanup before calling smbd_disconnect_rdma_connection()
commit 5349ae5e05fa37409fd48a1eb483b199c32c889b upstream.
We should call ib_dma_unmap_single() and mempool_free() before calling
smbd_disconnect_rdma_connection().
And smbd_disconnect_rdma_connection() needs to be the last function to
call as all other state might already be gone after it returns.
Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Fixes: f198186aa9bb ("CIFS: SMBD: Establish SMB Direct connection")
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/smb/client/smbdirect.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/smb/client/smbdirect.c b/fs/smb/client/smbdirect.c index c661a8e6c18b..60b160219f0a 100644 --- a/fs/smb/client/smbdirect.c +++ b/fs/smb/client/smbdirect.c @@ -277,18 +277,20 @@ static void send_done(struct ib_cq *cq, struct ib_wc *wc) log_rdma_send(INFO, "smbd_request 0x%p completed wc->status=%d\n", request, wc->status); - if (wc->status != IB_WC_SUCCESS || wc->opcode != IB_WC_SEND) { - log_rdma_send(ERR, "wc->status=%d wc->opcode=%d\n", - wc->status, wc->opcode); - smbd_disconnect_rdma_connection(request->info); - } - for (i = 0; i < request->num_sge; i++) ib_dma_unmap_single(sc->ib.dev, request->sge[i].addr, request->sge[i].length, DMA_TO_DEVICE); + if (wc->status != IB_WC_SUCCESS || wc->opcode != IB_WC_SEND) { + log_rdma_send(ERR, "wc->status=%d wc->opcode=%d\n", + wc->status, wc->opcode); + mempool_free(request, info->request_mempool); + smbd_disconnect_rdma_connection(info); + return; + } + if (atomic_dec_and_test(&request->info->send_pending)) wake_up(&request->info->wait_send_pending); |