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From: Komuro <komurojun-mbn@nifty.com>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>,
	linux-pcmcia <linux-pcmcia@lists.infradead.org>,
	linux-kernel@vger.kernel.org,
	Dominik Brodowski <linux@dominikbrodowski.net>,
	linux-ide@vger.kernel.org,
	Kristoffer Ericson <kristoffer.ericson@gmail.com>,
	jgarzik@redhat.com, rjw@sisk.pl
Subject: Re: [KERNEL 2.6.26-rc4]  bugreport : pata_pcmcia with Sandisk Extreme III 8GB
Date: Sun, 6 Jul 2008 10:37:52 +0900	[thread overview]
Message-ID: <20080706103752.13935ffd.komurojun-mbn@nifty.com> (raw)
In-Reply-To: <20080617212345.c452d8c5.komurojun-mbn@nifty.com>


Hi, Tejun

The patch below fixes the pata_pcmcia problem.

I think the ap->lock points to bogus address.

Any comment?

--- linux-2.6.26-rc8/drivers/ata/libata-core.c.orig	2008-07-06 10:05:46.000000000 +0900
+++ linux-2.6.26-rc8/drivers/ata/libata-core.c	2008-07-06 10:09:16.000000000 +0900
@@ -5304,6 +5304,8 @@ struct ata_host *ata_host_alloc(struct d
 			goto err_out;
 
 		ap->port_no = i;
+		ap->lock = &ap->__lock;
+		spin_lock_init(ap->lock);
 		host->ports[i] = ap;
 	}
 
--- linux-2.6.26-rc8/include/linux/libata.h.orig	2008-07-06 10:03:54.000000000 +0900
+++ linux-2.6.26-rc8/include/linux/libata.h	2008-07-06 10:04:35.000000000 +0900
@@ -639,6 +639,7 @@ struct ata_port {
 	struct Scsi_Host	*scsi_host; /* our co-allocated scsi host */
 	struct ata_port_operations *ops;
 	spinlock_t		*lock;
+	spinlock_t		__lock;
 	unsigned long		flags;	/* ATA_FLAG_xxx */
 	unsigned int		pflags; /* ATA_PFLAG_xxx */
 	unsigned int		print_id; /* user visible unique port ID */

Best Regards
Komuro


  parent reply	other threads:[~2008-07-06  1:43 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20080528225049.9a134e0d.Kristoffer.Ericson@Gmail.com>
     [not found] ` <20080528222740.GB20893@isilmar.linta.de>
     [not found]   ` <20080530135728.be02d3dc.Kristoffer.Ericson@Gmail.com>
2008-06-07 13:37     ` Komuro
2008-06-11  7:20       ` Dominik Brodowski
2008-06-14  3:00         ` Komuro
2008-06-14  7:20           ` Jeff Garzik
2008-06-14 12:36             ` Komuro
2008-06-16  3:07               ` Tejun Heo
2008-06-16 13:11                 ` Komuro
2008-06-16 13:24                   ` Tejun Heo
2008-06-17 12:23                     ` Komuro
2008-06-17 14:09                       ` Tejun Heo
2008-06-17 14:15                         ` Dominik Brodowski
2008-06-18 12:23                         ` Komuro
2008-07-06  1:37                       ` Komuro [this message]
2008-07-06 14:19                         ` Tejun Heo
2008-07-07 12:42                           ` Komuro
2008-07-09  4:10                             ` Tejun Heo
2008-07-12  2:39                               ` Komuro
2008-06-22  1:07                 ` Komuro

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