lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[SCSI] iscsi tcp: fix iscsi xmit state machine

Browse Source 
If iscsi_tcp partially sends a header, it would recalculate the
header size and readd the size of the digest (if header digests
are used).This would cause us to send sizeof(digest) extra bytes
when we sent the rest of the header.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie
2007-05-30 12:57:17 -05:00
committed by James Bottomley
parent b2c6416736
commit 218432c680
3 changed files with 151 additions and 117 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/libiscsi.c
View File

@@ -125,6 +125,7 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
MAX_COMMAND_SIZE - sc->cmd_len);
ctask->data_count = 0;
ctask->imm_count = 0;
if (sc->sc_data_direction == DMA_TO_DEVICE) {
hdr->flags |= ISCSI_FLAG_CMD_WRITE;
/*
@@ -141,7 +142,6 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
*
* pad_count bytes to be sent as zero-padding
*/
ctask->imm_count = 0;
ctask->unsol_count = 0;
ctask->unsol_offset = 0;
ctask->unsol_datasn = 0;