diff options
| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2017-11-20 03:24:43 +0300 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2018-01-25 04:49:05 +0300 |
| commit | 21ad9487ca3250c90ec36d68a8a3ee9f659450e3 (patch) | |
| tree | 0f9f1a45ab40622cd2bb8c77c11344db59e0f994 /fs/cifs | |
| parent | b2fb7fecc9357c307b2ffe7695ea529cd3b15474 (diff) | |
| download | linux-21ad9487ca3250c90ec36d68a8a3ee9f659450e3.tar.xz | |
cifs: remove rfc1002 header from smb2_oplock_break we get from server
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/smb2misc.c | 2 | ||||
| -rw-r--r-- | fs/cifs/smb2pdu.c | 19 | ||||
| -rw-r--r-- | fs/cifs/smb2pdu.h | 14 |
3 files changed, 29 insertions, 6 deletions
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index 7b08a1446a7f..76d03abaa38c 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -578,7 +578,7 @@ smb2_is_valid_lease_break(char *buffer) bool smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) { - struct smb2_oplock_break *rsp = (struct smb2_oplock_break *)buffer; + struct smb2_oplock_break_rsp *rsp = (struct smb2_oplock_break_rsp *)buffer; struct list_head *tmp, *tmp1, *tmp2; struct cifs_ses *ses; struct cifs_tcon *tcon; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 9421393a5c88..08e78ce5156f 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3319,11 +3319,17 @@ SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, __u8 oplock_level) { int rc; - struct smb2_oplock_break *req = NULL; + struct smb2_oplock_break_req *req = NULL; + struct cifs_ses *ses = tcon->ses; int flags = CIFS_OBREAK_OP; + unsigned int total_len; + struct kvec iov[1]; + struct kvec rsp_iov; + int resp_buf_type; cifs_dbg(FYI, "SMB2_oplock_break\n"); - rc = small_smb2_init(SMB2_OPLOCK_BREAK, tcon, (void **) &req); + rc = smb2_plain_req_init(SMB2_OPLOCK_BREAK, tcon, (void **) &req, + &total_len); if (rc) return rc; @@ -3333,9 +3339,14 @@ SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, req->VolatileFid = volatile_fid; req->PersistentFid = persistent_fid; req->OplockLevel = oplock_level; - req->hdr.sync_hdr.CreditRequest = cpu_to_le16(1); + req->sync_hdr.CreditRequest = cpu_to_le16(1); - rc = SendReceiveNoRsp(xid, tcon->ses, (char *) req, flags); + flags |= CIFS_NO_RESP; + + iov[0].iov_base = (char *)req; + iov[0].iov_len = total_len; + + rc = smb2_send_recv(xid, ses, iov, 1, &resp_buf_type, flags, &rsp_iov); cifs_small_buf_release(req); if (rc) { diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 9157d95d0c4e..da6a8ec885d1 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -1031,7 +1031,19 @@ struct smb2_set_info_rsp { __le16 StructureSize; /* Must be 2 */ } __packed; -struct smb2_oplock_break { +/* oplock break without an rfc1002 header */ +struct smb2_oplock_break_req { + struct smb2_sync_hdr sync_hdr; + __le16 StructureSize; /* Must be 24 */ + __u8 OplockLevel; + __u8 Reserved; + __le32 Reserved2; + __u64 PersistentFid; + __u64 VolatileFid; +} __packed; + +/* oplock break with an rfc1002 header */ +struct smb2_oplock_break_rsp { struct smb2_hdr hdr; __le16 StructureSize; /* Must be 24 */ __u8 OplockLevel; |