diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
| -rw-r--r-- | fs/cifs/cifssmb.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 575b2281518..f72a61df3c6 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1072,7 +1072,7 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, if (bytes_sent > count) bytes_sent = count; pSMB->DataOffset = - cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4); + cpu_to_le16(offsetof(struct smb_com_write_req,Data) - 4); if(buf) memcpy(pSMB->Data,buf,bytes_sent); else if(ubuf) { @@ -1080,20 +1080,23 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, cifs_buf_release(pSMB); return -EFAULT; } - } else { + } else if (count != 0) { /* No buffer */ cifs_buf_release(pSMB); return -EINVAL; + } /* else setting file size with write of zero bytes */ + if(wct == 14) + byte_count = bytes_sent + 1; /* pad */ + else /* wct == 12 */ { + byte_count = bytes_sent + 5; /* bigger pad, smaller smb hdr */ } - - byte_count = bytes_sent + 1 /* pad */ ; /* BB fix this for sends > 64K */ pSMB->DataLengthLow = cpu_to_le16(bytes_sent & 0xFFFF); pSMB->DataLengthHigh = cpu_to_le16(bytes_sent >> 16); - pSMB->hdr.smb_buf_length += bytes_sent+1; + pSMB->hdr.smb_buf_length += byte_count; if(wct == 14) pSMB->ByteCount = cpu_to_le16(byte_count); - else { /* old style write has byte count 4 bytes earlier */ + else { /* old style write has byte count 4 bytes earlier so 4 bytes pad */ struct smb_com_writex_req * pSMBW = (struct smb_com_writex_req *)pSMB; pSMBW->ByteCount = cpu_to_le16(byte_count); |