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

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Pablo Neira Ayuso pablo at netfilter.org
Wed Apr 29 12:24:26 UTC 2020


On Mon, Apr 27, 2020 at 08:08:14PM +0900, Yoshiyuki Kurauchi 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.

Looks good, would you repost this and Cc: netdev at vger.kernel.org

You will have to specify what tree you're targetting this to (either
net or net-next).

Thanks.

> Signed-off-by: Yoshiyuki Kurauchi <ahochauwaaaaa at gmail.com>
> ---
>  drivers/net/gtp.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
> index 672cd2caf2fb..21640a035d7d 100644
> --- a/drivers/net/gtp.c
> +++ b/drivers/net/gtp.c
> @@ -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,
> +				 0, 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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