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Merge branch 's390-qeth-fixes'

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Julian Wiedmann says:

====================
s390/qeth: fixes 2018-03-20

Please apply one final set of qeth patches for 4.16.
All of these fix long-standing bugs, so please queue them up for -stable
as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-03-22 11:52:31 -04:00
commit 1959031e24
3 changed files with 17 additions and 8 deletions
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21
drivers/s390/net/qeth_core_main.c
View File

@ -527,8 +527,7 @@ static inline int qeth_is_cq(struct qeth_card *card, unsigned int queue)
queue == card->qdio.no_in_queues - 1;
}
static int qeth_issue_next_read(struct qeth_card *card)
static int __qeth_issue_next_read(struct qeth_card *card)
{
int rc;
struct qeth_cmd_buffer *iob;
@ -559,6 +558,17 @@ static int qeth_issue_next_read(struct qeth_card *card)
return rc;
}
static int qeth_issue_next_read(struct qeth_card *card)
{
int ret;
spin_lock_irq(get_ccwdev_lock(CARD_RDEV(card)));
ret = __qeth_issue_next_read(card);
spin_unlock_irq(get_ccwdev_lock(CARD_RDEV(card)));
return ret;
}
static struct qeth_reply *qeth_alloc_reply(struct qeth_card *card)
{
struct qeth_reply *reply;
@ -960,7 +970,7 @@ void qeth_clear_thread_running_bit(struct qeth_card *card, unsigned long thread)
spin_lock_irqsave(&card->thread_mask_lock, flags);
card->thread_running_mask &= ~thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
wake_up(&card->wait_q);
wake_up_all(&card->wait_q);
}
EXPORT_SYMBOL_GPL(qeth_clear_thread_running_bit);
@ -1164,6 +1174,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
}
rc = qeth_get_problem(cdev, irb);
if (rc) {
card->read_or_write_problem = 1;
qeth_clear_ipacmd_list(card);
qeth_schedule_recovery(card);
goto out;
@ -1182,7 +1193,7 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm,
return;
if (channel == &card->read &&
channel->state == CH_STATE_UP)
qeth_issue_next_read(card);
__qeth_issue_next_read(card);
iob = channel->iob;
index = channel->buf_no;
@ -5087,8 +5098,6 @@ static void qeth_core_free_card(struct qeth_card *card)
QETH_DBF_HEX(SETUP, 2, &card, sizeof(void *));
qeth_clean_channel(&card->read);
qeth_clean_channel(&card->write);
if (card->dev)
free_netdev(card->dev);
qeth_free_qdio_buffers(card);
unregister_service_level(&card->qeth_service_level);
kfree(card);

2
drivers/s390/net/qeth_l2_main.c
View File

@ -915,8 +915,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
qeth_l2_set_offline(cgdev);
if (card->dev) {
netif_napi_del(&card->napi);
unregister_netdev(card->dev);
free_netdev(card->dev);
card->dev = NULL;
}
return;

2
drivers/s390/net/qeth_l3_main.c
View File

@ -2865,8 +2865,8 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
qeth_l3_set_offline(cgdev);
if (card->dev) {
netif_napi_del(&card->napi);
unregister_netdev(card->dev);
free_netdev(card->dev);
card->dev = NULL;
}