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cifs: remove rfc1002 header from smb2_ioctl_req 

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
This commit is contained in:
Ronnie Sahlberg 2017-11-09 12:14:20 +11:00 committed by Steve French
parent afcccefdc3
commit 9775468020
2 changed files with 12 additions and 12 deletions
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22
fs/cifs/smb2pdu.c
View File

@ -1912,6 +1912,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
int n_iov;
int rc = 0;
int flags = 0;
unsigned int total_len;
cifs_dbg(FYI, "SMB2 IOCTL\n");
@ -1930,7 +1931,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
if (!ses || !(ses->server))
return -EIO;
rc = small_smb2_init(SMB2_IOCTL, tcon, (void **) &req);
rc = smb2_plain_req_init(SMB2_IOCTL, tcon, (void **) &req, &total_len);
if (rc)
return rc;
@ -1941,8 +1942,8 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
}
cifs_dbg(FYI, "replacing tid 0x%x with IPC tid 0x%x\n",
req->hdr.sync_hdr.TreeId, ses->ipc_tid);
req->hdr.sync_hdr.TreeId = ses->ipc_tid;
req->sync_hdr.TreeId, ses->ipc_tid);
req->sync_hdr.TreeId = ses->ipc_tid;
}
if (encryption_required(tcon))
flags |= CIFS_TRANSFORM_REQ;
@ -1955,7 +1956,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
req->InputCount = cpu_to_le32(indatalen);
/* do not set InputOffset if no input data */
req->InputOffset =
cpu_to_le32(offsetof(struct smb2_ioctl_req, Buffer) - 4);
cpu_to_le32(offsetof(struct smb2_ioctl_req, Buffer));
iov[1].iov_base = in_data;
iov[1].iov_len = indatalen;
n_iov = 2;
@ -1990,21 +1991,20 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
* but if input data passed to ioctl, we do not
* want to double count this, so we do not send
* the dummy one byte of data in iovec[0] if sending
* input data (in iovec[1]). We also must add 4 bytes
* in first iovec to allow for rfc1002 length field.
* input data (in iovec[1]).
*/
if (indatalen) {
iov[0].iov_len = get_rfc1002_length(req) + 4 - 1;
inc_rfc1001_len(req, indatalen - 1);
iov[0].iov_len = total_len - 1;
} else
iov[0].iov_len = get_rfc1002_length(req) + 4;
iov[0].iov_len = total_len;
/* validate negotiate request must be signed - see MS-SMB2 3.2.5.5 */
if (opcode == FSCTL_VALIDATE_NEGOTIATE_INFO)
req->hdr.sync_hdr.Flags |= SMB2_FLAGS_SIGNED;
req->sync_hdr.Flags |= SMB2_FLAGS_SIGNED;
rc = SendReceive2(xid, ses, iov, n_iov, &resp_buftype, flags, &rsp_iov);
rc = smb2_send_recv(xid, ses, iov, n_iov, &resp_buftype, flags,
&rsp_iov);
cifs_small_buf_release(req);
rsp = (struct smb2_ioctl_rsp *)rsp_iov.iov_base;

2
fs/cifs/smb2pdu.h
View File

@ -753,7 +753,7 @@ struct duplicate_extents_to_file {
} __packed;
struct smb2_ioctl_req {
struct smb2_hdr hdr;
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 57 */
__u16 Reserved;
__le32 CtlCode;