[PATCH] gtp: set NLM_F_MULTI flag in gtp_genl_dump_pdp()

[Yoshiyuki Kurauchi]

Hi,

Could anyone review this change?
This is the same one I sent in February except the prefix of commit
message(net: => gtp:).

BR,
Yoshiyuki

On Wed, Apr 22, 2020 at 11:42 PM Yoshiyuki Kurauchi <ahochauwaaaaa at gmail.com>
wrote:

> In drivers/net/gtp.c, gtp_genl_dump_pdp() should set NLM_F_MULTI
> flag since it returns multipart message.
> This patch adds a new arg "flags" in gtp_genl_fill_info() so that
> flags can be set by the callers.
>
> Signed-off-by: Yoshiyuki Kurauchi <ahochauwaaaaa at gmail.com>
> ---
>  drivers/net/gtp.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
> index 672cd2caf2fb..10fa731bae6d 100644
> --- a/drivers/net/gtp.c
> +++ b/drivers/net/gtp.c
> @@ -1097,7 +1097,7 @@ static int gtp_genl_new_pdp(struct sk_buff *skb,
> struct genl_info *info)
>  }
>
>  static struct pdp_ctx *gtp_find_pdp_by_link(struct net *net,
> -                                           struct nlattr *nla[])
> +                                               struct nlattr *nla[])
>  {
>         struct gtp_dev *gtp;
>
> @@ -1169,11 +1169,11 @@ static int gtp_genl_del_pdp(struct sk_buff *skb,
> struct genl_info *info)
>  static struct genl_family gtp_genl_family;
>
>  static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32
> snd_seq,
> -                             u32 type, struct pdp_ctx *pctx)
> +                             int flags, u32 type, struct pdp_ctx *pctx)
>  {
>         void *genlh;
>
> -       genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, 0,
> +       genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family,
> flags,
>                             type);
>         if (genlh == NULL)
>                 goto nlmsg_failure;
> @@ -1227,8 +1227,8 @@ static int gtp_genl_get_pdp(struct sk_buff *skb,
> struct genl_info *info)
>                 goto err_unlock;
>         }
>
> -       err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid,
> -                                info->snd_seq, info->nlhdr->nlmsg_type,
> pctx);
> +       err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid,
> info->snd_seq,
> +                               info->nlhdr->nlmsg_flags,
> info->nlhdr->nlmsg_type, pctx);
>         if (err < 0)
>                 goto err_unlock_free;
>
> @@ -1271,6 +1271,7 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb,
>                                     gtp_genl_fill_info(skb,
>                                             NETLINK_CB(cb->skb).portid,
>                                             cb->nlh->nlmsg_seq,
> +                                           NLM_F_MULTI,
>                                             cb->nlh->nlmsg_type, pctx)) {
>                                         cb->args[0] = i;
>                                         cb->args[1] = j;
> --
> 2.17.1
>
>
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