linux-kernel - Re: [PATCH] scsi: cumana_2: Fix different dev_id between 'request_irq()' and 'free

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Date:   Fri, 26 Jun 2020 00:10:29 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-arm-kernel@...ts.infradead.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] scsi: cumana_2: Fix different dev_id between
 'request_irq()' and 'free_irq()'

On Thu, Jun 25, 2020 at 10:47:30PM +0200, Christophe JAILLET wrote:
> The dev_id used in 'request_irq()' and 'free_irq()' should match.
> Use 'info' in both cases.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Acked-by: Russell King <rmk+kernel@...linux.org.uk>

Thanks Christophe.

> ---
> V2: update free_irq instead of request_irq in order not to obviously break
>     code
> ---
>  drivers/scsi/arm/cumana_2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
> index 65691c21f133..29294f0ef8a9 100644
> --- a/drivers/scsi/arm/cumana_2.c
> +++ b/drivers/scsi/arm/cumana_2.c
> @@ -450,7 +450,7 @@ static int cumanascsi2_probe(struct expansion_card *ec,
>  
>  	if (info->info.scsi.dma != NO_DMA)
>  		free_dma(info->info.scsi.dma);
> -	free_irq(ec->irq, host);
> +	free_irq(ec->irq, info);
>  
>   out_release:
>  	fas216_release(host);
> -- 
> 2.25.1
> 
> 

-- 
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