Re: [PATCH] IB/core: fix duplicated code for different branches

[Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

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On Sat, Aug 12, 2017 at 07:52:35PM -0500, Gustavo A. R. Silva wrote:
> Refactor code to avoid identical code for different branches.
>
> This issue was detected with the help of Coccinelle.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo-L1vi/lXTdts+Va1GwOuvDg@public.gmane.org>
> ---
>  drivers/infiniband/core/cm.c | 4 ----
>  1 file changed, 4 deletions(-)

I see that you used the same commit message and title for many patches,
it will be better to have description on what exactly you are removing
and why there is no bug in that code.


>
> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> index 2b4d613..b46262f 100644
> --- a/drivers/infiniband/core/cm.c
> +++ b/drivers/infiniband/core/cm.c
> @@ -590,8 +590,6 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv)
>  			link = &(*link)->rb_right;
>  		else if (be64_lt(service_id, cur_cm_id_priv->id.service_id))
>  			link = &(*link)->rb_left;
> -		else if (be64_gt(service_id, cur_cm_id_priv->id.service_id))
> -			link = &(*link)->rb_right;
>  		else
>  			link = &(*link)->rb_right;
>  	}
> @@ -619,8 +617,6 @@ static struct cm_id_private * cm_find_listen(struct ib_device *device,
>  			node = node->rb_right;
>  		else if (be64_lt(service_id, cm_id_priv->id.service_id))
>  			node = node->rb_left;
> -		else if (be64_gt(service_id, cm_id_priv->id.service_id))
> -			node = node->rb_right;

You should remove be64_gt() too.

>  		else
>  			node = node->rb_right;
>  	}
> --
> 2.5.0
>

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