[PATCH net-next 1/6] s390/qeth: don't call INIT_LIST_HEAD() on iob's list entry

[Julian Wiedmann]

INIT_LIST_HEAD() only needs to be called on actual list heads.
While at it clarify the naming of the field.

Suggested-by: Vasily Gorbik <g...@linux.ibm.com>
Signed-off-by: Julian Wiedmann <j...@linux.ibm.com>
---
 drivers/s390/net/qeth_core.h      | 2 +-
 drivers/s390/net/qeth_core_main.c | 9 ++++-----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 0e9af2fbaa76..69b474f8735e 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -624,7 +624,7 @@ struct qeth_reply {
 };
 
 struct qeth_cmd_buffer {
-       struct list_head list;
+       struct list_head list_entry;
        struct completion done;
        spinlock_t lock;
        unsigned int length;
diff --git a/drivers/s390/net/qeth_core_main.c 
b/drivers/s390/net/qeth_core_main.c
index 319190824cd2..8171b9d3a70e 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -615,7 +615,7 @@ static void qeth_enqueue_cmd(struct qeth_card *card,
                             struct qeth_cmd_buffer *iob)
 {
        spin_lock_irq(&card->lock);
-       list_add_tail(&iob->list, &card->cmd_waiter_list);
+       list_add_tail(&iob->list_entry, &card->cmd_waiter_list);
        spin_unlock_irq(&card->lock);
 }
 
@@ -623,7 +623,7 @@ static void qeth_dequeue_cmd(struct qeth_card *card,
                             struct qeth_cmd_buffer *iob)
 {
        spin_lock_irq(&card->lock);
-       list_del(&iob->list);
+       list_del(&iob->list_entry);
        spin_unlock_irq(&card->lock);
 }
 
@@ -977,7 +977,7 @@ static void qeth_clear_ipacmd_list(struct qeth_card *card)
        QETH_CARD_TEXT(card, 4, "clipalst");
 
        spin_lock_irqsave(&card->lock, flags);
-       list_for_each_entry(iob, &card->cmd_waiter_list, list)
+       list_for_each_entry(iob, &card->cmd_waiter_list, list_entry)
                qeth_notify_cmd(iob, -ECANCELED);
        spin_unlock_irqrestore(&card->lock, flags);
 }
@@ -1047,7 +1047,6 @@ struct qeth_cmd_buffer *qeth_alloc_cmd(struct 
qeth_channel *channel,
 
        init_completion(&iob->done);
        spin_lock_init(&iob->lock);
-       INIT_LIST_HEAD(&iob->list);
        refcount_set(&iob->ref_count, 1);
        iob->channel = channel;
        iob->timeout = timeout;
@@ -1094,7 +1093,7 @@ static void qeth_issue_next_read_cb(struct qeth_card 
*card,
 
        /* match against pending cmd requests */
        spin_lock_irqsave(&card->lock, flags);
-       list_for_each_entry(tmp, &card->cmd_waiter_list, list) {
+       list_for_each_entry(tmp, &card->cmd_waiter_list, list_entry) {
                if (tmp->match && tmp->match(tmp, iob)) {
                        request = tmp;
                        /* take the object outside the lock */
-- 
2.17.1