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Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c24
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);