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: Klaus-D. Wacker <[email protected]>
Signed-off-by: Ursula Braun <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Klaus-D. Wacker 2008-08-21 17:10:25 +02:00 • committed by Jeff Garzik
commit 9b3b9ab6a7

View file

@ -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) ||