Re: [PATCH 22/39] nfsd: drop null test before destroy functions

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Thanks, applying.--b.

On Sun, Sep 13, 2015 at 02:15:15PM +0200, Julia Lawall wrote:
> Remove unneeded NULL test.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@ expression x; @@
> -if (x != NULL) {
>   \(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
>   x = NULL;
> -}
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> 
> ---
>  fs/nfsd/nfscache.c |    6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
> index 46ec934..116940c 100644
> --- a/fs/nfsd/nfscache.c
> +++ b/fs/nfsd/nfscache.c
> @@ -217,10 +217,8 @@ void nfsd_reply_cache_shutdown(void)
>  	drc_hashtbl = NULL;
>  	drc_hashsize = 0;
>  
> -	if (drc_slab) {
> -		kmem_cache_destroy(drc_slab);
> -		drc_slab = NULL;
> -	}
> +	kmem_cache_destroy(drc_slab);
> +	drc_slab = NULL;
>  }
>  
>  /*
--
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