From 9b3b9ab6a7a43851ccb4633149d01239f99f275f Mon Sep 17 00:00:00 2001
From: "Klaus-D. Wacker" <kdwacker@de.ibm.com>
Date: Thu, 21 Aug 2008 17:10:25 +0200
Subject: [PATCH] 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 <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---
drivers/s390/net/lcs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 6de28385b3546..9bcfa04d863b3 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -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) ||
--
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