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[PATCH] iscsi endianness annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro
2007-02-09 16:39:40 +00:00
committed by Linus Torvalds
parent 04d4f7a114
commit b437735645
4 changed files with 49 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
drivers/scsi/libiscsi.c
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@@ -113,8 +113,7 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask)
hdr->opcode = ISCSI_OP_SCSI_CMD;
hdr->flags = ISCSI_ATTR_SIMPLE;
int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun);
hdr->itt = ctask->itt | (conn->id << ISCSI_CID_SHIFT) |
(session->age << ISCSI_AGE_SHIFT);
hdr->itt = build_itt(ctask->itt, conn->id, session->age);
hdr->data_length = cpu_to_be32(sc->request_bufflen);
hdr->cmdsn = cpu_to_be32(session->cmdsn);
session->cmdsn++;
@@ -270,7 +269,7 @@ invalid_datalen:
goto out;
}
senselen = be16_to_cpu(*(uint16_t *)data);
senselen = be16_to_cpu(*(__be16 *)data);
if (datalen < senselen)
goto invalid_datalen;
@@ -338,7 +337,7 @@ static int iscsi_handle_reject(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
if (ntoh24(reject->dlength) >= sizeof(struct iscsi_hdr)) {
memcpy(&rejected_pdu, data, sizeof(struct iscsi_hdr));
itt = rejected_pdu.itt & ISCSI_ITT_MASK;
itt = get_itt(rejected_pdu.itt);
printk(KERN_ERR "itt 0x%x had pdu (op 0x%x) rejected "
"due to DataDigest error.\n", itt,
rejected_pdu.opcode);
@@ -367,10 +366,10 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
struct iscsi_mgmt_task *mtask;
uint32_t itt;
if (hdr->itt != cpu_to_be32(ISCSI_RESERVED_TAG))
itt = hdr->itt & ISCSI_ITT_MASK;
if (hdr->itt != RESERVED_ITT)
itt = get_itt(hdr->itt);
else
itt = hdr->itt;
itt = ~0U;
if (itt < session->cmds_max) {
ctask = session->cmds[itt];
@@ -440,7 +439,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
iscsi_tmf_rsp(conn, hdr);
break;
case ISCSI_OP_NOOP_IN:
if (hdr->ttt != ISCSI_RESERVED_TAG || datalen) {
if (hdr->ttt != cpu_to_be32(ISCSI_RESERVED_TAG) || datalen) {
rc = ISCSI_ERR_PROTO;
break;
}
@@ -457,7 +456,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
rc = ISCSI_ERR_BAD_OPCODE;
break;
}
} else if (itt == ISCSI_RESERVED_TAG) {
} else if (itt == ~0U) {
rc = iscsi_check_assign_cmdsn(session,
(struct iscsi_nopin*)hdr);
if (rc)
@@ -470,7 +469,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
break;
}
if (hdr->ttt == ISCSI_RESERVED_TAG)
if (hdr->ttt == cpu_to_be32(ISCSI_RESERVED_TAG))
break;
if (iscsi_recv_pdu(conn->cls_conn, hdr, NULL, 0))
@@ -516,24 +515,24 @@ int iscsi_verify_itt(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
struct iscsi_cmd_task *ctask;
uint32_t itt;
if (hdr->itt != cpu_to_be32(ISCSI_RESERVED_TAG)) {
if ((hdr->itt & ISCSI_AGE_MASK) !=
if (hdr->itt != RESERVED_ITT) {
if (((__force u32)hdr->itt & ISCSI_AGE_MASK) !=
(session->age << ISCSI_AGE_SHIFT)) {
printk(KERN_ERR "iscsi: received itt %x expected "
"session age (%x)\n", hdr->itt,
"session age (%x)\n", (__force u32)hdr->itt,
session->age & ISCSI_AGE_MASK);
return ISCSI_ERR_BAD_ITT;
}
if ((hdr->itt & ISCSI_CID_MASK) !=
if (((__force u32)hdr->itt & ISCSI_CID_MASK) !=
(conn->id << ISCSI_CID_SHIFT)) {
printk(KERN_ERR "iscsi: received itt %x, expected "
"CID (%x)\n", hdr->itt, conn->id);
"CID (%x)\n", (__force u32)hdr->itt, conn->id);
return ISCSI_ERR_BAD_ITT;
}
itt = hdr->itt & ISCSI_ITT_MASK;
itt = get_itt(hdr->itt);
} else
itt = hdr->itt;
itt = ~0U;
if (itt < session->cmds_max) {
ctask = session->cmds[itt];
@@ -896,9 +895,8 @@ iscsi_conn_send_generic(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
/*
* pre-format CmdSN for outgoing PDU.
*/
if (hdr->itt != cpu_to_be32(ISCSI_RESERVED_TAG)) {
hdr->itt = mtask->itt | (conn->id << ISCSI_CID_SHIFT) |
(session->age << ISCSI_AGE_SHIFT);
if (hdr->itt != RESERVED_ITT) {
hdr->itt = build_itt(mtask->itt, conn->id, session->age);
nop->cmdsn = cpu_to_be32(session->cmdsn);
if (conn->c_stage == ISCSI_CONN_STARTED &&
!(hdr->opcode & ISCSI_OP_IMMEDIATE))
@@ -1064,7 +1062,7 @@ static int iscsi_exec_abort_task(struct scsi_cmnd *sc,
spin_lock_bh(&session->lock);
ctask->mtask = (struct iscsi_mgmt_task *)
session->mgmt_cmds[(hdr->itt & ISCSI_ITT_MASK) -
session->mgmt_cmds[get_itt(hdr->itt) -
ISCSI_MGMT_ITT_OFFSET];
if (conn->tmabort_state == TMABORT_INITIAL) {