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[SCSI] aacraid: Correct sa platform support. (Was: [Bug 8469] Bad EIP value on pentium3 SMP kernel-2.6.21.1)

Browse source 
http://bugzilla.kernel.org/show_bug.cgi?id=8469

As discussed in the bugzilla outlined below, we have an sa based
(Mustang) RAID adapter on the system, a Dell PERC2/QC. Affected
controllers are HP NetRAID, Adaptec AAC-364, Dell PERC2/QC or Adaptec
5400S. This problem  coincides with the introduction of the adapter_comm
and adapter_deliver platform functions (Message [PATCH 1/4] aacraid:
rework communication support code, January 23 2007, which initially
migrated to 2.6.21)

The panic occurs with an uninitialized adapter_deliver platform function
pointer. The enclosed patch, unmodified as tested by Rainer, solves the
problem.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Salyzyn, Mark 2007-05-15 09:14:21 -04:00 committed by James Bottomley
parent ed56047aec
commit 2ab01efd1d
3 changed files with 10 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/scsi/aacraid/aacraid.h
View file

@ -1823,6 +1823,7 @@ int aac_send_shutdown(struct aac_dev *dev);
int aac_probe_container(struct aac_dev *dev, int cid);
int _aac_rx_init(struct aac_dev *dev);
int aac_rx_select_comm(struct aac_dev *dev, int comm);
int aac_rx_deliver_producer(struct fib * fib);
extern int numacb;
extern int acbsize;
extern char aac_driver_version[];

2
drivers/scsi/aacraid/rx.c
View file

@ -378,7 +378,7 @@ static int aac_rx_check_health(struct aac_dev *dev)
*
* Will send a fib, returning 0 if successful.
*/
static int aac_rx_deliver_producer(struct fib * fib)
int aac_rx_deliver_producer(struct fib * fib)
{
struct aac_dev *dev = fib->dev;
struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];

9
drivers/scsi/aacraid/sa.c
View file

@ -5,7 +5,7 @@
* based on the old aacraid driver that is..
* Adaptec aacraid device driver for Linux.
*
* Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
* Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -257,6 +257,11 @@ static void aac_sa_start_adapter(struct aac_dev *dev)
NULL, NULL, NULL, NULL, NULL);
}
static int aac_sa_restart_adapter(struct aac_dev *dev, int bled)
{
return -EINVAL;
}
/**
* aac_sa_check_health
* @dev: device to check if healthy
@ -366,7 +371,9 @@ int aac_sa_init(struct aac_dev *dev)
dev->a_ops.adapter_notify = aac_sa_notify_adapter;
dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
dev->a_ops.adapter_check_health = aac_sa_check_health;
dev->a_ops.adapter_restart = aac_sa_restart_adapter;
dev->a_ops.adapter_intr = aac_sa_intr;
dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
dev->a_ops.adapter_ioremap = aac_sa_ioremap;
/*