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Date: Thu, 2 Feb 2017 15:19:51 +0100
From: Pablo Neira Ayuso <pablo@...filter.org>
To: Andreas Schultz <aschultz@...p.net>
Cc: netdev@...r.kernel.org, Harald Welte <laforge@...monks.org>,
Lionel Gauthier <Lionel.Gauthier@...ecom.fr>,
openbsc@...ts.osmocom.org
Subject: Re: [PATCH net-next v2 3/6] gtp: unify genl_find_pdp and prepare for
per socket lookup
On Mon, Jan 30, 2017 at 05:37:10PM +0100, Andreas Schultz wrote:
> This unifies duplicate code into a helper. It also prepares the
> groundwork to add a lookup version that uses the socket to find
> attache pdp contexts.
>
> Signed-off-by: Andreas Schultz <aschultz@...p.net>
> ---
> drivers/net/gtp.c | 120 +++++++++++++++++++++++-------------------------------
> 1 file changed, 51 insertions(+), 69 deletions(-)
>
> diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
> index c96c71f..6b7a3c2 100644
> --- a/drivers/net/gtp.c
> +++ b/drivers/net/gtp.c
[...]
> +static struct pdp_ctx *gtp_genl_find_pdp(struct sk_buff *skb,
> + struct genl_info *info)
> +{
> + struct pdp_ctx *pctx;
> +
> + if (info->attrs[GTPA_LINK])
> + pctx = gtp_genl_find_pdp_by_link(skb, info);
> + else
> + pctx = ERR_PTR(-EINVAL);
> + if (!pctx)
> + pctx = ERR_PTR(-ENOENT);
> +
> + return pctx;
> +}
For gtp_genl_find_pdp(), I think this is easier to read:
if (!info->attrs[GTPA_LINK])
return ERR_PTR(-EINVAL);
pctx = gtp_genl_find_pdp_by_link(skb, info);
if (!pctx)
return ERR_PTR(-ENOENT);
return pctx;
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