On Mon, Jun 23, 2014 at 09:11:29AM +0200, Stephan Mueller wrote:
> As reported by a static code analyzer, the code for the ordering of
> the linked list can be simplified.
> 
> Reported-by: kbuild test robot <fengguang...@intel.com>
> Signed-off-by: Stephan Mueller <smuel...@chronox.de>
> ---
>  crypto/drbg.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/crypto/drbg.c b/crypto/drbg.c
> index faaa2ce..99fa8f8 100644
> --- a/crypto/drbg.c
> +++ b/crypto/drbg.c
> @@ -516,13 +516,13 @@ static int drbg_ctr_df(struct drbg_state *drbg,
>       S2.next = addtl;
>  
>       /*
> -      * splice in addtl between S2 and S4 -- we place S4 at the end of the
> -      * input data chain
> +      * Splice in addtl between S2 and S4 -- we place S4 at the end
> +      * of the input data chain. As this code is only triggered when
> +      * addtl is not NULL, no NULL checks are necessary.
>        */
>       tempstr = addtl;
> -     for (; NULL != tempstr; tempstr = tempstr->next)
> -             if (NULL == tempstr->next)
> -                     break;
> +     while (tempstr->next)
> +             tempstr = tempstr->next;
>       tempstr->next = &S4;

This is still broken.
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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