Ursula Braun wrote:
From: Klaus-D. Wacker <kdwacker@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Ursula Braun <ursula.braun@xxxxxxxxxx>
---
drivers/s390/net/lcs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -urpN linux-2.6/drivers/s390/net/lcs.c linux-2.6-patched/drivers/s390/net/lcs.c
--- linux-2.6/drivers/s390/net/lcs.c 2008-08-20 15:54:46.000000000 +0200
+++ linux-2.6-patched/drivers/s390/net/lcs.c 2008-08-20 15:55:15.000000000 +0200
@@ -1412,7 +1412,8 @@ lcs_irq(struct ccw_device *cdev, unsigne
}
/* 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)
applied 1-4
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