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Commit 3f36b890 authored by Frank Blaschka's avatar Frank Blaschka Committed by David S. Miller
Browse files

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: default avatarFrank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 08e3356c

drivers/s390/net/qeth_core_main.c

+9 −2
Original line number Diff line number Diff line
@@ -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)