diff options
| author | Namjae Jeon <linkinjeon@kernel.org> | 2023-08-29 23:39:31 +0900 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-08-29 12:30:19 -0500 |
| commit | e2b76ab8b5c9327ab2dae6da05d0752eb2f4771d (patch) | |
| tree | 1764248441cf770e0202eb50c187dcfbbc2303f7 /fs/smb/server/smb_common.c | |
| parent | 084ba46fc41c21ba827fd92e61f78def7a6e52ea (diff) | |
ksmbd: add support for read compound
MacOS sends a compound request including read to the server
(e.g. open-read-close). So far, ksmbd has not handled read as
a compound request. For compatibility between ksmbd and an OS that
supports SMB, This patch provides compound support for read requests.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb/server/smb_common.c')
| -rw-r--r-- | fs/smb/server/smb_common.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/smb/server/smb_common.c b/fs/smb/server/smb_common.c index c2b75d898852..e6ba1e9b8589 100644 --- a/fs/smb/server/smb_common.c +++ b/fs/smb/server/smb_common.c @@ -319,12 +319,6 @@ static int init_smb1_rsp_hdr(struct ksmbd_work *work) struct smb_hdr *rsp_hdr = (struct smb_hdr *)work->response_buf; struct smb_hdr *rcv_hdr = (struct smb_hdr *)work->request_buf; - /* - * Remove 4 byte direct TCP header. - */ - *(__be32 *)work->response_buf = - cpu_to_be32(sizeof(struct smb_hdr) - 4); - rsp_hdr->Command = SMB_COM_NEGOTIATE; *(__le32 *)rsp_hdr->Protocol = SMB1_PROTO_NUMBER; rsp_hdr->Flags = SMBFLG_RESPONSE; @@ -560,10 +554,11 @@ static int smb_handle_negotiate(struct ksmbd_work *work) ksmbd_debug(SMB, "Unsupported SMB1 protocol\n"); - /* Add 2 byte bcc and 2 byte DialectIndex. */ - inc_rfc1001_len(work->response_buf, 4); - neg_rsp->hdr.Status.CifsError = STATUS_SUCCESS; + if (ksmbd_iov_pin_rsp(work, (void *)neg_rsp, + sizeof(struct smb_negotiate_rsp) - 4)) + return -ENOMEM; + neg_rsp->hdr.Status.CifsError = STATUS_SUCCESS; neg_rsp->hdr.WordCount = 1; neg_rsp->DialectIndex = cpu_to_le16(work->conn->dialect); neg_rsp->ByteCount = 0; |