On 23 March 2015 at 15:08, Dan Carpenter <dan.carpen...@oracle.com> wrote:
> This code is written using an anti-pattern called "success handling"
> which makes it hard to read, especially if you are used to normal kernel
> style.  It should instead be written as a list of directives in a row
> with branches for error handling.
>
> Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

Acked-by: Ard Biesheuvel <ard.biesheu...@linaro.org>

Thanks,
Ard.

>
> diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
> index 7869bb40..208df7c 100644
> --- a/net/mac80211/aes_ccm.c
> +++ b/net/mac80211/aes_ccm.c
> @@ -85,11 +85,15 @@ struct crypto_aead *ieee80211_aes_key_setup_encrypt(const 
> u8 key[],
>                 return tfm;
>
>         err = crypto_aead_setkey(tfm, key, key_len);
> -       if (!err)
> -               err = crypto_aead_setauthsize(tfm, mic_len);
> -       if (!err)
> -               return tfm;
> +       if (err)
> +               goto free_aead;
> +       err = crypto_aead_setauthsize(tfm, mic_len);
> +       if (err)
> +               goto free_aead;
> +
> +       return tfm;
>
> +free_aead:
>         crypto_free_aead(tfm);
>         return ERR_PTR(err);
>  }
--
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