Re: [PATCH 08/17][trivial] scsi: Remove unnecessary casts of voidptr returning alloc function return values

From: Jesper Juhl
Date: Mon Nov 08 2010 - 18:41:53 EST


On Mon, 8 Nov 2010, Joe Perches wrote:

> On Tue, 2010-11-09 at 00:09 +0100, Jesper Juhl wrote:
> > Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
> > diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
> []
> > @@ -4780,7 +4780,7 @@ ahc_init_scbdata(struct ahc_softc *ahc)
> > SLIST_INIT(&scb_data->sg_maps);
> >
> > /* Allocate SCB resources */
> > - scb_data->scbarray = (struct scb *)kmalloc(sizeof(struct scb) * AHC_SCB_MAX_ALLOC, GFP_ATOMIC);
> > + scb_data->scbarray = kmalloc(sizeof(struct scb) * AHC_SCB_MAX_ALLOC, GFP_ATOMIC);
> > if (scb_data->scbarray == NULL)
> > return (ENOMEM);
> > memset(scb_data->scbarray, 0, sizeof(struct scb) * AHC_SCB_MAX_ALLOC);
>
> This would be better as:
>
> scb_data->scbarray = kcalloc(AHC_SCB_MAX_ALLOC, sizeof(struct scb), GFP_ATOMIC)
>
> without the memset.
>

True, I did notice that, and I guess I could have done that as part of
this patch series, just as there are lots of other minor improvements I
was tempted to do. But, I wanted to keep the entire patch series to a
single specific topic, then once they are merged (hopefully) I can follow
up with other cleanups.

--
Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
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