Re: [PATCH net-next v2 3/7] ieee802154: convert dgram getsockopt to sockopt_t

[Joe Damato]

On Mon, Jul 20, 2026 at 09:17:44AM -0700, Breno Leitao wrote:
> Continue converting the proto-layer getsockopt callbacks to the sockopt_t
> interface, splitting dgram_getsockopt() into a do_dgram_getsockopt() helper
> that takes a sockopt_t.
> 
> No functional change.
> 
> Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>
> ---
>  net/ieee802154/socket.c | 38 ++++++++++++++++++++++++++------------
>  1 file changed, 26 insertions(+), 12 deletions(-)
> 
> diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
> index 85dce296d7513..763f63e48afe4 100644
> --- a/net/ieee802154/socket.c
> +++ b/net/ieee802154/socket.c
> @@ -831,20 +831,12 @@ static int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
>  	return ret;
>  }
>  
> -static int dgram_getsockopt(struct sock *sk, int level, int optname,
> -			    char __user *optval, int __user *optlen)
> +static int do_dgram_getsockopt(struct sock *sk, int optname, sockopt_t *opt)
>  {
>  	struct dgram_sock *ro = dgram_sk(sk);
> -
>  	int val, len;
>  
> -	if (level != SOL_IEEE802154)
> -		return -EOPNOTSUPP;
> -
> -	if (get_user(len, optlen))
> -		return -EFAULT;
> -
> -	len = min_t(unsigned int, len, sizeof(int));
> +	len = min_t(unsigned int, opt->optlen, sizeof(int));

Does the same min() feedback David gave on the last revision apply here as
well?