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qeth: improve recovery during resource shortage 

In case there are no system resources to run a recovery we have to clear
recovery bitmasks so a further automatic or manual driven recovery can
fix up the device.

Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Frank Blaschka 2011-12-19 22:56:35 +00:00 committed by David S. Miller
parent 08e3356cc2
commit 3f36b890de
1 changed files with 9 additions and 2 deletions
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11
drivers/s390/net/qeth_core_main.c
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@ -1329,6 +1329,7 @@ static int qeth_do_start_thread(struct qeth_card *card, unsigned long thread)
static void qeth_start_kernel_thread(struct work_struct *work)
{
struct task_struct *ts;
struct qeth_card *card = container_of(work, struct qeth_card,
kernel_thread_starter);
QETH_CARD_TEXT(card , 2, "strthrd");
@ -1336,9 +1337,15 @@ static void qeth_start_kernel_thread(struct work_struct *work)
if (card->read.state != CH_STATE_UP &&
card->write.state != CH_STATE_UP)
return;
if (qeth_do_start_thread(card, QETH_RECOVER_THREAD))
kthread_run(card->discipline.recover, (void *) card,
if (qeth_do_start_thread(card, QETH_RECOVER_THREAD)) {
ts = kthread_run(card->discipline.recover, (void *)card,
"qeth_recover");
if (IS_ERR(ts)) {
qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
qeth_clear_thread_running_bit(card,
QETH_RECOVER_THREAD);
}
}
}
static int qeth_setup_card(struct qeth_card *card)