Re: [PATCH] SCSI-aic94xx: Delete unnecessary checks before the function call "kmem_cache_destroy"

From: Jinpu Wang
Date: Mon Jul 25 2016 - 04:54:24 EST


On Sun, Jul 24, 2016 at 1:51 PM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
> > From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> > Date: Tue, 17 Nov 2015 08:14:52 +0100
> >
> > The kmem_cache_destroy() function tests whether its argument is NULL
> > and then returns immediately. Thus the test around the calls is not needed.
> >
> > This issue was detected by using the Coccinelle software.
> >
> > Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> > ---
> > drivers/scsi/aic94xx/aic94xx_init.c | 7 ++-----
> > 1 file changed, 2 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
> > index 662b232..ab93049 100644
> > --- a/drivers/scsi/aic94xx/aic94xx_init.c
> > +++ b/drivers/scsi/aic94xx/aic94xx_init.c
> > @@ -660,12 +660,9 @@ Err:
> >
> > static void asd_destroy_global_caches(void)
> > {
> > - if (asd_dma_token_cache)
> > - kmem_cache_destroy(asd_dma_token_cache);
> > + kmem_cache_destroy(asd_dma_token_cache);
> > asd_dma_token_cache = NULL;
> > -
> > - if (asd_ascb_cache)
> > - kmem_cache_destroy(asd_ascb_cache);
> > + kmem_cache_destroy(asd_ascb_cache);
> > asd_ascb_cache = NULL;
> > }
> >
> >
>
> How do you think about to integrate this update suggestion
> into another source code repository?
>
> Regards,
> Markus


Looks good to me!
Reviewed-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxxx>

PS: resend to fix mal-format rejection, sorry!
--

Mit freundlichen GrÃÃen,
Best Regards,

Jack Wang