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Commit 9b3b9ab6 authored by Klaus-D. Wacker's avatar Klaus-D. Wacker Committed by Jeff Garzik
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LCS recovery dumps when cable reconnect 



LCS recovery dumps in irq routine when CCW address in
Subchannel Status Word (SCSW) is zero. This occurs
when recovery is driven after cable reconnect.

Signed-off-by: default avatarKlaus-D. Wacker <kdwacker@de.ibm.com>
Signed-off-by: default avatarUrsula Braun <ursula.braun@de.ibm.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 261893d3

drivers/s390/net/lcs.c

+2 −1
Original line number Diff line number Diff line
@@ -1412,7 +1412,8 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) 
	}

	/* How far in the ccw chain have we processed? */

	if ((channel->state != LCS_CH_STATE_INIT) &&

	    (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC)) {

	    (irb->scsw.cmd.fctl & SCSW_FCTL_START_FUNC) &&

	    (irb->scsw.cmd.cpa != 0)) {

		index = (struct ccw1 *) __va((addr_t) irb->scsw.cmd.cpa)

			- channel->ccws;

		if ((irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED) ||