From: Ursula Braun <ursula.braun@de.ibm.com>
To: jgarzik@pobox.com, netdev@vger.kernel.org, linux-s390@vger.kernel.org
Cc: "Klaus-D. Wacker" <kdwacker@de.ibm.com>,
Ursula Braun <ursula.braun@de.ibm.com>
Subject: [patch 4/4] LCS recovery dumps when cable reconnect
Date: Thu, 21 Aug 2008 17:10:25 +0200 [thread overview]
Message-ID: <20080821151654.326848000@linux.vnet.ibm.com> (raw)
In-Reply-To: 20080821151021.069615000@linux.vnet.ibm.com
[-- Attachment #1: 603-lcs-recovery.diff --]
[-- Type: text/plain, Size: 1078 bytes --]
From: Klaus-D. Wacker <kdwacker@de.ibm.com>
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>
---
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)
- channel->ccws;
if ((irb->scsw.cmd.actl & SCSW_ACTL_SUSPENDED) ||
--
next prev parent reply other threads:[~2008-08-21 15:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-21 15:10 [patch 0/4] s390: ctcm / lcs / claw fixes for 2.6.27 Ursula Braun
2008-08-21 15:10 ` [patch 1/4] claw: fix memory leak in claw_probe Ursula Braun
2008-08-21 15:10 ` [patch 2/4] claw: netdev->priv vs. netdev->ml_priv Ursula Braun
2008-08-21 15:10 ` [patch 3/4] ctcm: " Ursula Braun
2008-08-21 15:10 ` Ursula Braun [this message]
2008-08-27 9:19 ` [patch 4/4] LCS recovery dumps when cable reconnect Jeff Garzik
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