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authorChristoph Hellwig <hch@infradead.org>2012-09-26 08:00:40 -0400
committerNicholas Bellinger <nab@linux-iscsi.org>2012-10-03 14:39:22 -0700
commit50e5c87de4c244662e47b28e499ace885d62248f (patch)
tree0cd84e70a1549a8d757e6fe48a8254b6e43ab783 /drivers/target/iscsi/iscsi_target_login.c
parent66c7db687631247b7a3493322b9aedeef3c6c7b5 (diff)
iscsit: proper endianess conversions
Make sure all on the wire types are use as big endian and big endian only so that sparse can verify all the conversions are done right. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_login.c')
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 4c83d7a39bf..cdc8a10939c 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -192,10 +192,10 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
static void iscsi_login_set_conn_values(
struct iscsi_session *sess,
struct iscsi_conn *conn,
- u16 cid)
+ __be16 cid)
{
conn->sess = sess;
- conn->cid = cid;
+ conn->cid = be16_to_cpu(cid);
/*
* Generate a random Status sequence number (statsn) for the new
* iSCSI connection.
@@ -230,7 +230,7 @@ static int iscsi_login_zero_tsih_s1(
iscsi_login_set_conn_values(sess, conn, pdu->cid);
sess->init_task_tag = pdu->itt;
memcpy(&sess->isid, pdu->isid, 6);
- sess->exp_cmd_sn = pdu->cmdsn;
+ sess->exp_cmd_sn = be32_to_cpu(pdu->cmdsn);
INIT_LIST_HEAD(&sess->sess_conn_list);
INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list);
INIT_LIST_HEAD(&sess->cr_active_list);
@@ -271,7 +271,7 @@ static int iscsi_login_zero_tsih_s1(
* The FFP CmdSN window values will be allocated from the TPG's
* Initiator Node's ACL once the login has been successfully completed.
*/
- sess->max_cmd_sn = pdu->cmdsn;
+ sess->max_cmd_sn = be32_to_cpu(pdu->cmdsn);
sess->sess_ops = kzalloc(sizeof(struct iscsi_sess_ops), GFP_KERNEL);
if (!sess->sess_ops) {
@@ -449,7 +449,7 @@ static int iscsi_login_non_zero_tsih_s2(
(sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
continue;
if (!memcmp(sess_p->isid, pdu->isid, 6) &&
- (sess_p->tsih == pdu->tsih)) {
+ (sess_p->tsih == be16_to_cpu(pdu->tsih))) {
iscsit_inc_session_usage_count(sess_p);
iscsit_stop_time2retain_timer(sess_p);
sess = sess_p;
@@ -951,10 +951,6 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
}
pdu = (struct iscsi_login_req *) buffer;
- pdu->cid = be16_to_cpu(pdu->cid);
- pdu->tsih = be16_to_cpu(pdu->tsih);
- pdu->cmdsn = be32_to_cpu(pdu->cmdsn);
- pdu->exp_statsn = be32_to_cpu(pdu->exp_statsn);
/*
* Used by iscsit_tx_login_rsp() for Login Resonses PDUs