diff options
Diffstat (limited to 'fs/cifs/netmisc.c')
| -rw-r--r-- | fs/cifs/netmisc.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c index b7ca4960d4ca..0e728aac67e9 100644 --- a/fs/cifs/netmisc.c +++ b/fs/cifs/netmisc.c @@ -881,6 +881,33 @@ map_smb_to_linux_error(char *buf, bool logErr) return rc; } +int +map_and_check_smb_error(struct mid_q_entry *mid, bool logErr) +{ + int rc; + struct smb_hdr *smb = (struct smb_hdr *)mid->resp_buf; + + rc = map_smb_to_linux_error((char *)smb, logErr); + if (rc == -EACCES && !(smb->Flags2 & SMBFLG2_ERR_STATUS)) { + /* possible ERRBaduid */ + __u8 class = smb->Status.DosError.ErrorClass; + __u16 code = le16_to_cpu(smb->Status.DosError.Error); + + /* switch can be used to handle different errors */ + if (class == ERRSRV && code == ERRbaduid) { + cifs_dbg(FYI, "Server returned 0x%x, reconnecting session...\n", + code); + spin_lock(&GlobalMid_Lock); + if (mid->server->tcpStatus != CifsExiting) + mid->server->tcpStatus = CifsNeedReconnect; + spin_unlock(&GlobalMid_Lock); + } + } + + return rc; +} + + /* * calculate the size of the SMB message based on the fixed header * portion, the number of word parameters and the data portion of the message |