Re: [PATCH] nfsd4: fix ifnullfree.cocci warnings

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Fixed locally.--b.

On Sat, Feb 18, 2017 at 03:35:21AM +0800, kbuild test robot wrote:
> fs/nfs/nfs4proc.c:5135:2-7: WARNING: NULL check before freeing functions like kfree, debugfs_remove, debugfs_remove_recursive or usb_free_urb is not needed. Maybe consider reorganizing relevant code to avoid passing NULL values.
> 
>  NULL check before some freeing functions is not needed.
> 
>  Based on checkpatch warning
>  "kfree(NULL) is safe this check is probably not required"
>  and kfreeaddr.cocci by Julia Lawall.
> 
> Generated by: scripts/coccinelle/free/ifnullfree.cocci
> 
> CC: J. Bruce Fields <bfields@xxxxxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> ---
> 
>  nfs4proc.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -5131,8 +5131,7 @@ static ssize_t __nfs4_get_acl_uncached(s
>  	if (buf && ret > buflen)
>  		ret = -ERANGE;
>  out:
> -	if (priv_buf)
> -		kfree(priv_buf);
> +	kfree(priv_buf);
>  	return ret;
>  }
>  
> --
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