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[CIFS] log better errors on failed mounts
Also returns more accurate errors to mount for the cases of account expired and password expired Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French
parent
abb63d6c3d
commit
a761ac579b
@ -50,7 +50,8 @@ extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
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int * /* bytes returned */ , const int long_op);
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extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
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struct kvec *, int /* nvec to send */,
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int * /* type of buf returned */ , const int long_op);
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int * /* type of buf returned */ , const int long_op,
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const int logError /* whether to log status code*/ );
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extern int SendReceiveBlockingLock(const unsigned int /* xid */ ,
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struct cifsTconInfo *,
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struct smb_hdr * /* input */ ,
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@ -65,7 +66,7 @@ extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
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extern int decode_negTokenInit(unsigned char *security_blob, int length,
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enum securityEnum *secType);
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extern int cifs_inet_pton(int, char *source, void *dst);
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extern int map_smb_to_linux_error(struct smb_hdr *smb);
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extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
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extern void header_assemble(struct smb_hdr *, char /* command */ ,
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const struct cifsTconInfo *, int /* length of
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fixed section (word count) in two byte units */);
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@ -1446,9 +1446,8 @@ CIFSSMBRead(const int xid, struct cifsTconInfo *tcon, const int netfid,
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iov[0].iov_base = (char *)pSMB;
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iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
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rc = SendReceive2(xid, tcon->ses, iov,
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1 /* num iovecs */,
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&resp_buf_type, 0);
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rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovecs */,
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&resp_buf_type, 0 /* not long op */, 1 /* log err */ );
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cifs_stats_inc(&tcon->num_reads);
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pSMBr = (READ_RSP *)iov[0].iov_base;
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if (rc) {
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@ -1667,7 +1666,7 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
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rc = SendReceive2(xid, tcon->ses, iov, n_vec + 1, &resp_buf_type,
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long_op);
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long_op, 0 /* do not log STATUS code */ );
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cifs_stats_inc(&tcon->num_writes);
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if (rc) {
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cFYI(1, ("Send error Write2 = %d", rc));
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@ -3094,7 +3093,8 @@ CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid,
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iov[0].iov_base = (char *)pSMB;
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iov[0].iov_len = pSMB->hdr.smb_buf_length + 4;
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rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type, 0);
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rc = SendReceive2(xid, tcon->ses, iov, 1 /* num iovec */, &buf_type,
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0 /* not long op */, 0 /* do not log STATUS codes */ );
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cifs_stats_inc(&tcon->num_acl_get);
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if (rc) {
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cFYI(1, ("Send error in QuerySecDesc = %d", rc));
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@ -114,10 +114,16 @@ static const struct smb_to_posix_error mapping_table_ERRSRV[] = {
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{ERRusempx, -EIO},
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{ERRusestd, -EIO},
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{ERR_NOTIFY_ENUM_DIR, -ENOBUFS},
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{ERRaccountexpired, -EACCES},
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{ERRnoSuchUser, -EACCES},
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/* {ERRaccountexpired, -EACCES},
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{ERRbadclient, -EACCES},
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{ERRbadLogonTime, -EACCES},
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{ERRpasswordExpired, -EACCES},
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{ERRpasswordExpired, -EACCES},*/
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{ERRaccountexpired, -EKEYEXPIRED},
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{ERRbadclient, -EACCES},
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{ERRbadLogonTime, -EACCES},
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{ERRpasswordExpired, -EKEYEXPIRED},
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{ERRnosupport, -EINVAL},
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{0, 0}
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};
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@ -270,7 +276,7 @@ static const struct {
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from NT_STATUS_NO_SUCH_USER to NT_STATUS_LOGON_FAILURE
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during the session setup } */
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{
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ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, {
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ERRDOS, ERRnoaccess, NT_STATUS_NO_SUCH_USER}, { /* could map to 2238 */
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ERRHRD, ERRgeneral, NT_STATUS_GROUP_EXISTS}, {
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ERRHRD, ERRgeneral, NT_STATUS_NO_SUCH_GROUP}, {
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ERRHRD, ERRgeneral, NT_STATUS_MEMBER_IN_GROUP}, {
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@ -285,10 +291,10 @@ static const struct {
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ERRHRD, ERRgeneral, NT_STATUS_PASSWORD_RESTRICTION}, {
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ERRDOS, ERRnoaccess, NT_STATUS_LOGON_FAILURE}, {
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ERRHRD, ERRgeneral, NT_STATUS_ACCOUNT_RESTRICTION}, {
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ERRSRV, 2241, NT_STATUS_INVALID_LOGON_HOURS}, {
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ERRSRV, 2240, NT_STATUS_INVALID_WORKSTATION}, {
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ERRSRV, ERRbadLogonTime, NT_STATUS_INVALID_LOGON_HOURS}, {
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ERRSRV, ERRbadclient, NT_STATUS_INVALID_WORKSTATION}, {
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ERRSRV, ERRpasswordExpired, NT_STATUS_PASSWORD_EXPIRED}, {
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ERRSRV, 2239, NT_STATUS_ACCOUNT_DISABLED}, {
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ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_DISABLED}, {
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ERRHRD, ERRgeneral, NT_STATUS_NONE_MAPPED}, {
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ERRHRD, ERRgeneral, NT_STATUS_TOO_MANY_LUIDS_REQUESTED}, {
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ERRHRD, ERRgeneral, NT_STATUS_LUIDS_EXHAUSTED}, {
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@ -585,7 +591,7 @@ static const struct {
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ERRDOS, ERRnoaccess, NT_STATUS_TRUST_FAILURE}, {
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ERRHRD, ERRgeneral, NT_STATUS_MUTANT_LIMIT_EXCEEDED}, {
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ERRDOS, ERRnetlogonNotStarted, NT_STATUS_NETLOGON_NOT_STARTED}, {
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ERRSRV, 2239, NT_STATUS_ACCOUNT_EXPIRED}, {
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ERRSRV, ERRaccountexpired, NT_STATUS_ACCOUNT_EXPIRED}, {
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ERRHRD, ERRgeneral, NT_STATUS_POSSIBLE_DEADLOCK}, {
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ERRHRD, ERRgeneral, NT_STATUS_NETWORK_CREDENTIAL_CONFLICT}, {
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ERRHRD, ERRgeneral, NT_STATUS_REMOTE_SESSION_LIMIT}, {
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@ -754,7 +760,7 @@ ntstatus_to_dos(__u32 ntstatus, __u8 * eclass, __u16 * ecode)
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}
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int
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map_smb_to_linux_error(struct smb_hdr *smb)
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map_smb_to_linux_error(struct smb_hdr *smb, int logErr)
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{
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unsigned int i;
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int rc = -EIO; /* if transport error smb error may not be set */
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@ -771,7 +777,9 @@ map_smb_to_linux_error(struct smb_hdr *smb)
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/* translate the newer STATUS codes to old style SMB errors
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* and then to POSIX errors */
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__u32 err = le32_to_cpu(smb->Status.CifsError);
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if (cifsFYI & CIFS_RC)
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if (logErr && (err != (NT_STATUS_MORE_PROCESSING_REQUIRED)))
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cifs_print_status(err);
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else if (cifsFYI & CIFS_RC)
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cifs_print_status(err);
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ntstatus_to_dos(err, &smberrclass, &smberrcode);
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} else {
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@ -813,7 +821,7 @@ map_smb_to_linux_error(struct smb_hdr *smb)
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}
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/* else ERRHRD class errors or junk - return EIO */
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cFYI(1, (" !!Mapping smb error code %d to POSIX err %d !!",
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cFYI(1, ("Mapping smb error code %d to POSIX err %d",
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smberrcode, rc));
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/* generic corrective action e.g. reconnect SMB session on
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@ -513,7 +513,8 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,
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iov[1].iov_base = str_area;
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iov[1].iov_len = count;
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rc = SendReceive2(xid, ses, iov, 2 /* num_iovecs */, &resp_buf_type, 0);
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rc = SendReceive2(xid, ses, iov, 2 /* num_iovecs */, &resp_buf_type,
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0 /* not long op */, 1 /* log NT STATUS if any */ );
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/* SMB request buf freed in SendReceive2 */
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cFYI(1, ("ssetup rc from sendrecv2 is %d", rc));
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@ -173,9 +173,10 @@
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#define ERRusestd 251 /* temporarily unable to use either raw
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or mpx */
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#define ERR_NOTIFY_ENUM_DIR 1024
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#define ERRnoSuchUser 2238 /* user account does not exist */
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#define ERRaccountexpired 2239
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#define ERRbadclient 2240
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#define ERRbadLogonTime 2241
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#define ERRbadclient 2240 /* can not logon from this client */
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#define ERRbadLogonTime 2241 /* logon hours do not allow this */
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#define ERRpasswordExpired 2242
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#define ERRnetlogonNotStarted 2455
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#define ERRnosupport 0xFFFF
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@ -418,7 +418,7 @@ static int wait_for_response(struct cifsSesInfo *ses,
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int
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SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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struct kvec *iov, int n_vec, int *pRespBufType /* ret */,
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const int long_op)
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const int long_op, const int logError)
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{
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int rc = 0;
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unsigned int receive_len;
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@ -464,7 +464,6 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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wake_up(&ses->server->request_q);
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return rc;
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}
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rc = cifs_sign_smb2(iov, n_vec, ses->server, &midQ->sequence_number);
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midQ->midState = MID_REQUEST_SUBMITTED;
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@ -567,8 +566,7 @@ SendReceive2(const unsigned int xid, struct cifsSesInfo *ses,
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}
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/* BB special case reconnect tid and uid here? */
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/* BB special case Errbadpassword and pwdexpired here */
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rc = map_smb_to_linux_error(midQ->resp_buf);
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rc = map_smb_to_linux_error(midQ->resp_buf, logError);
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/* convert ByteCount if necessary */
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if (receive_len >= sizeof(struct smb_hdr) - 4
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@ -747,7 +745,7 @@ SendReceive(const unsigned int xid, struct cifsSesInfo *ses,
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*pbytes_returned = out_buf->smb_buf_length;
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/* BB special case reconnect tid and uid here? */
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rc = map_smb_to_linux_error(out_buf);
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rc = map_smb_to_linux_error(out_buf, 0 /* no log */ );
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/* convert ByteCount if necessary */
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if (receive_len >= sizeof(struct smb_hdr) - 4
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@ -990,7 +988,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifsTconInfo *tcon,
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*pbytes_returned = out_buf->smb_buf_length;
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/* BB special case reconnect tid and uid here? */
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rc = map_smb_to_linux_error(out_buf);
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rc = map_smb_to_linux_error(out_buf, 0 /* no log */ );
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/* convert ByteCount if necessary */
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if (receive_len >= sizeof(struct smb_hdr) - 4
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