linux-kernel - Re: [PATCH 18/31] scsi/aic7xxx: use kmemdup rather than duplicating its implementation

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Message-id: <55F93E4D.8060809@samsung.com>
Date:	Wed, 16 Sep 2015 12:02:53 +0200
From:	Andrzej Hajda <a.hajda@...sung.com>
To:	Hannes Reinecke <hare@...e.com>
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH 18/31] scsi/aic7xxx: use kmemdup rather than duplicating
 its implementation

Ping.

Regards
Andrzej

On 08/07/2015 09:59 AM, Andrzej Hajda wrote:
> The patch was generated using fixed coccinelle semantic patch
> scripts/coccinelle/api/memdup.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> ---
>  drivers/scsi/aic7xxx/aic79xx_core.c | 4 ++--
>  drivers/scsi/aic7xxx/aic7xxx_core.c | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
> index 109e2c9..8592448 100644
> --- a/drivers/scsi/aic7xxx/aic79xx_core.c
> +++ b/drivers/scsi/aic7xxx/aic79xx_core.c
> @@ -9494,10 +9494,10 @@ ahd_loadseq(struct ahd_softc *ahd)
>  	if (cs_count != 0) {
>  
>  		cs_count *= sizeof(struct cs);
> -		ahd->critical_sections = kmalloc(cs_count, GFP_ATOMIC);
> +		ahd->critical_sections = kmemdup(cs_table, cs_count,
> +						 GFP_ATOMIC);
>  		if (ahd->critical_sections == NULL)
>  			panic("ahd_loadseq: Could not malloc");
> -		memcpy(ahd->critical_sections, cs_table, cs_count);
>  	}
>  	ahd_outb(ahd, SEQCTL0, PERRORDIS|FAILDIS|FASTMODE);
>  
> diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
> index c4829d8..3178730 100644
> --- a/drivers/scsi/aic7xxx/aic7xxx_core.c
> +++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
> @@ -6940,10 +6940,10 @@ ahc_loadseq(struct ahc_softc *ahc)
>  	if (cs_count != 0) {
>  
>  		cs_count *= sizeof(struct cs);
> -		ahc->critical_sections = kmalloc(cs_count, GFP_ATOMIC);
> +		ahc->critical_sections = kmemdup(cs_table, cs_count,
> +						 GFP_ATOMIC);
>  		if (ahc->critical_sections == NULL)
>  			panic("ahc_loadseq: Could not malloc");
> -		memcpy(ahc->critical_sections, cs_table, cs_count);
>  	}
>  	ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS|FASTMODE);
>  

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