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s390/qeth: remove static cmd buffer infrastructure

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Now that all cmds are dynamically allocated, the code for static cmd
buffers can go away entirely. Resulting in a nice reduction of
code/data size & complexity, while removing the risk that
qeth_clear_cmd_buffers() releases cmds that are still in-flight.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann
2019-06-27 17:01:28 +02:00
committed by David S. Miller
parent f19f8fd2df
commit c3b2218d31
4 changed files with 59 additions and 244 deletions
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3
drivers/s390/net/qeth_l2_main.c
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@@ -294,7 +294,6 @@ static void qeth_l2_stop_card(struct qeth_card *card)
card->state = CARD_STATE_DOWN;
}
qeth_clear_cmd_buffers(&card->write);
flush_workqueue(card->event_wq);
card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
}
@@ -1034,7 +1033,7 @@ static void qeth_osn_assist_cb(struct qeth_card *card,
struct qeth_cmd_buffer *iob)
{
qeth_notify_reply(iob->reply, 0);
qeth_release_buffer(iob);
qeth_put_cmd(iob);
}
int qeth_osn_assist(struct net_device *dev, void *data, int data_len)