linux-kernel - Re: [PATCH] FS: nfs: removed goto statement

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Date:   Fri, 20 May 2022 14:00:02 +0200
From:   Javier Abrego Lorente <javier.abrego.lorente@...il.com>
To:     Javier Abrego <javier.abrego.lorente@...il.com>
Cc:     trond.myklebust@...merspace.com, anna@...nel.org,
        linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] FS: nfs: removed goto statement

final version, I promise.

On Fri, 20 May 2022 at 13:57, Javier Abrego
<javier.abrego.lorente@...il.com> wrote:
>
> In this function goto can be replaced. Avoiding goto will improve the
> readability
>
> Signed-off-by: Javier Abrego<javier.abrego.lorente@...il.com>
> ---
>  fs/nfs/nfs42xattr.c | 24 +++++++++++-------------
>  1 file changed, 11 insertions(+), 13 deletions(-)
>
> diff --git a/fs/nfs/nfs42xattr.c b/fs/nfs/nfs42xattr.c
> index e7b34f7e0..78130462c 100644
> --- a/fs/nfs/nfs42xattr.c
> +++ b/fs/nfs/nfs42xattr.c
> @@ -747,20 +747,18 @@ void nfs4_xattr_cache_set_list(struct inode *inode, const char *buf,
>                 return;
>
>         entry = nfs4_xattr_alloc_entry(NULL, buf, NULL, buflen);
> -       if (entry == NULL)
> -               goto out;
> -
> -       /*
> -        * This is just there to be able to get to bucket->cache,
> -        * which is obviously the same for all buckets, so just
> -        * use bucket 0.
> -        */
> -       entry->bucket = &cache->buckets[0];
> -
> -       if (!nfs4_xattr_set_listcache(cache, entry))
> -               kref_put(&entry->ref, nfs4_xattr_free_entry_cb);
> +       if (entry != NULL) {
> +              /*
> +               * This is just there to be able to get to bucket->cache,
> +               * which is obviously the same for all buckets, so just
> +               * use bucket 0.
> +               */
> +               entry->bucket = &cache->buckets[0];
> +
> +               if (!nfs4_xattr_set_listcache(cache, entry))
> +                       kref_put(&entry->ref, nfs4_xattr_free_entry_cb);
> +       }
>
> -out:
>         kref_put(&cache->ref, nfs4_xattr_free_cache_cb);
>  }
>
> --
> 2.25.1
>