diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r-- | fs/cifs/cifssmb.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 58ebec4d4413..f72e3b3dca69 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -2537,8 +2537,9 @@ CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, pSMB->TotalDataCount = pSMB->DataCount; pSMB->TotalParameterCount = pSMB->ParameterCount; pSMB->ParameterOffset = cpu_to_le16(param_offset); + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ parm_data = (struct cifs_posix_lock *) - (((char *) &pSMB->hdr.Protocol) + offset); + (((char *)pSMB) + offset + 4); parm_data->lock_type = cpu_to_le16(lock_type); if (waitFlag) { @@ -2767,7 +2768,8 @@ int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *pTcon, param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4; offset = param_offset + params; - data_offset = (char *) (&pSMB->hdr.Protocol) + offset; + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ + data_offset = (char *)(pSMB) + offset + 4; rename_info = (struct set_file_rename *) data_offset; pSMB->MaxParameterCount = cpu_to_le16(2); pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB from sess */ @@ -2925,7 +2927,8 @@ createSymLinkRetry: InformationLevel) - 4; offset = param_offset + params; - data_offset = (char *) (&pSMB->hdr.Protocol) + offset; + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ + data_offset = (char *)pSMB + offset + 4; if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len_target = cifsConvertToUTF16((__le16 *) data_offset, toName, @@ -3009,7 +3012,8 @@ createHardLinkRetry: InformationLevel) - 4; offset = param_offset + params; - data_offset = (char *) (&pSMB->hdr.Protocol) + offset; + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ + data_offset = (char *)pSMB + offset + 4; if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) { name_len_target = cifsConvertToUTF16((__le16 *) data_offset, fromName, @@ -5626,9 +5630,9 @@ CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, pSMB->TotalDataCount = pSMB->DataCount; pSMB->TotalParameterCount = pSMB->ParameterCount; pSMB->ParameterOffset = cpu_to_le16(param_offset); + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ parm_data = - (struct file_end_of_file_info *) (((char *) &pSMB->hdr.Protocol) - + offset); + (struct file_end_of_file_info *)(((char *)pSMB) + offset + 4); pSMB->DataOffset = cpu_to_le16(offset); parm_data->FileSize = cpu_to_le64(size); pSMB->Fid = cfile->fid.netfid; @@ -5761,7 +5765,8 @@ CIFSSMBSetFileDisposition(const unsigned int xid, struct cifs_tcon *tcon, param_offset = offsetof(struct smb_com_transaction2_sfi_req, Fid) - 4; offset = param_offset + params; - data_offset = (char *) (&pSMB->hdr.Protocol) + offset; + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ + data_offset = (char *)(pSMB) + offset + 4; count = 1; pSMB->MaxParameterCount = cpu_to_le16(2); @@ -6062,9 +6067,8 @@ setPermsRetry: param_offset = offsetof(struct smb_com_transaction2_spi_req, InformationLevel) - 4; offset = param_offset + params; - data_offset = - (FILE_UNIX_BASIC_INFO *) ((char *) &pSMB->hdr.Protocol + - offset); + /* SMB offsets are from the beginning of SMB which is 4 bytes in, after RFC1001 field */ + data_offset = (FILE_UNIX_BASIC_INFO *)((char *) pSMB + offset + 4); memset(data_offset, 0, count); pSMB->DataOffset = cpu_to_le16(offset); pSMB->ParameterOffset = cpu_to_le16(param_offset); |