@@ -395,9 +395,8 @@ smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr)
unsigned int
smb2_calc_size(void *buf, struct TCP_Server_Info *srvr)
{
- struct smb2_pdu *pdu = (struct smb2_pdu *)buf;
- struct smb2_hdr *hdr = &pdu->hdr;
- struct smb2_sync_hdr *shdr = get_sync_hdr(hdr);
+ struct smb2_sync_pdu *pdu = (struct smb2_sync_pdu *)buf;
+ struct smb2_sync_hdr *shdr = &pdu->sync_hdr;
int offset; /* the offset from the beginning of SMB to data area */
int data_length; /* the length of the variable length data area */
/* Structure Size has already been checked to make sure it is 64 */
@@ -412,7 +411,7 @@ smb2_calc_size(void *buf, struct TCP_Server_Info *srvr)
if (has_smb2_data_area[le16_to_cpu(shdr->Command)] == false)
goto calc_size_exit;
- smb2_get_data_area_len(&offset, &data_length, hdr);
+ smb2_get_data_area_len(&offset, &data_length, (struct smb2_hdr *)buf);
cifs_dbg(FYI, "SMB2 data length %d offset %d\n", data_length, offset);
if (data_length > 0) {
@@ -420,8 +419,7 @@ smb2_calc_size(void *buf, struct TCP_Server_Info *srvr)
* Check to make sure that data area begins after fixed area,
* Note that last byte of the fixed area is part of data area
* for some commands, typically those with odd StructureSize,
- * so we must add one to the calculation (and 4 to account for
- * the size of the RFC1001 hdr.
+ * so we must add one to the calculation.
*/
if (offset + srvr->vals->header_preamble_size + 1 < len) {
cifs_dbg(VFS, "data area offset %zu overlaps SMB2 header %d\n",
smb2_hdr is just a wrapper around smb2_sync_hdr at this stage and smb2_hdr is going away. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> --- fs/cifs/smb2misc.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-)