linux-kernel - Re: via sata oops on init

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Date:	Sat, 29 Jul 2006 19:04:02 +0200
From:	Johannes Weiner <hnazfoo@...glemail.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: via sata oops on init

Hi,

On Sat, Jul 29, 2006 at 12:41:15PM -0400, Dave Jones wrote:
> --- linux-2.6/drivers/scsi/libata-core.c~	2006-07-29 12:35:32.000000000 -0400
> +++ linux-2.6/drivers/scsi/libata-core.c	2006-07-29 12:39:08.000000000 -0400
> @@ -5419,10 +5419,10 @@ int ata_device_add(const struct ata_prob
>  		unsigned long xfer_mode_mask;
>  
>  		ap = ata_host_add(ent, host_set, i);
> +		host_set->ports[i] = ap;
>  		if (!ap)
>  			goto err_out;
>  
> -		host_set->ports[i] = ap;
>  		xfer_mode_mask =(ap->udma_mask << ATA_SHIFT_UDMA) |
>  				(ap->mwdma_mask << ATA_SHIFT_MWDMA) |
>  				(ap->pio_mask << ATA_SHIFT_PIO);
> @@ -5532,6 +5532,8 @@ int ata_device_add(const struct ata_prob
>  
>  err_out:
>  	for (i = 0; i < count; i++) {
> +		if (!host_set->ports[i])
> +			break;
>  		ata_host_remove(host_set->ports[i], 1);
>  		scsi_host_put(host_set->ports[i]->host);
>  	}

You jump into loop just to skip it.

Signed-off-by: Johannes Weiner <hanzfoo@...il.com>


View attachment "libata-core.goto.patch" of type "text/plain" (409 bytes)