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iscsi-target: Use list_first_entry() where appropriate

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Instead of using the obfuscated pattern of

	list_for_each_entry(var, list, ...)
		break;

to set var to the first entry of a list, use the straightforward

	var = list_first_entry(list, ...);

Reported-by: Joern Engel <joern@logfs.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Roland Dreier 2012-10-31 09:16:47 -07:00 committed by Nicholas Bellinger
parent 48c2567d1a
commit 1f981de55a
2 changed files with 5 additions and 6 deletions
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3
drivers/target/iscsi/iscsi_target_tq.c
View File

@ -66,8 +66,7 @@ static struct iscsi_thread_set *iscsi_get_ts_from_inactive_list(void)
return NULL;
}
list_for_each_entry(ts, &inactive_ts_list, ts_list)
break;
ts = list_first_entry(&inactive_ts_list, struct iscsi_thread_set, ts_list);
list_del(&ts->ts_list);
iscsit_global->inactive_ts--;

8
drivers/target/iscsi/iscsi_target_util.c
View File

@ -500,8 +500,8 @@ struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *c
spin_unlock_bh(&conn->immed_queue_lock);
return NULL;
}
list_for_each_entry(qr, &conn->immed_queue_list, qr_list)
break;
qr = list_first_entry(&conn->immed_queue_list,
struct iscsi_queue_req, qr_list);
list_del(&qr->qr_list);
if (qr->cmd)
@ -575,8 +575,8 @@ struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *co
return NULL;
}
list_for_each_entry(qr, &conn->response_queue_list, qr_list)
break;
qr = list_first_entry(&conn->response_queue_list,
struct iscsi_queue_req, qr_list);
list_del(&qr->qr_list);
if (qr->cmd)