linux-kernel - Re: [PATCH] [SCSI] aic7xxx: use kstrdup()

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Date:	Sat, 06 Aug 2011 12:23:42 -0500
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	hare@...e.de, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH] [SCSI] aic7xxx: use kstrdup()

On Sat, 2011-08-06 at 11:22 +0200, Thomas Meyer wrote:
> From: Thomas Meyer <thomas@...3r.de>
> 
>  Use kstrdup rather than duplicating its implementation
> 
>  The semantic patch that makes this output is available
>  in scripts/coccinelle/api/kstrdup.cocci.
> 
>  More information about semantic patching is available at
>  http://coccinelle.lip6.fr/
> 
> Signed-off-by: Thomas Meyer <thomas@...3r.de>
> ---
> 
> diff -u -p a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
> --- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c 2010-09-13 07:01:17.520528007 +0200
> +++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c 2011-08-01 21:15:58.925094946 +0200
> @@ -178,10 +178,9 @@ ahd_linux_pci_dev_probe(struct pci_dev *
>  		ahd_get_pci_bus(pci),
>  		ahd_get_pci_slot(pci),
>  		ahd_get_pci_function(pci));
> -	name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
> +	name = kstrdup(buf, GFP_ATOMIC);
>         if (name == NULL)
>                 return (-ENOMEM);
> -       strcpy(name, buf);

All adaptec drivers are in deep maintenance mode because the hardware
isn't being produced any longer.  The only things we really apply to
them now is essential bug fixes, which this isn't.

James


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