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LCS recovery dumps when cable reconnect

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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: Klaus-D. Wacker <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Klaus-D. Wacker 2008-08-21 17:10:25 +02:00 committed by Jeff Garzik
parent 261893d30b
commit 9b3b9ab6a7
1 changed files with 2 additions and 1 deletions
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3
drivers/s390/net/lcs.c
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@ -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) ||