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Date: Mon, 05 Nov 2018 10:16:10 -0800 (PST)
Message-Id: <20181105.101610.1437737564548154497.davem@davemloft.net>
Subject: Re: [PATCH V2 2/7] net: lorawan: Add LoRaWAN socket module
From: David Miller <davem@davemloft.net>
In-Reply-To: <20181105165544.5215-3-starnight@g.ncu.edu.tw>
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From: Jian-Hong Pan <starnight@g.ncu.edu.tw>
Date: Tue,  6 Nov 2018 00:55:40 +0800

> +static inline struct lrw_mac_cb * mac_cb(struct sk_buff *skb)

"mac_cb()" is pretty generic for a name, and leads to namespace pollution,
please use lrw_mac_cb() or similar.

> +static inline struct dgram_sock *
> +dgram_sk(const struct sock *sk)
> +{
> +	return container_of(sk, struct dgram_sock, sk);
> +}
> +
> +static inline struct net_device *
> +lrw_get_dev_by_addr(struct net *net, u32 devaddr)

Never use inline for functions in a foo.c file, let the compiler decide.

> +{
> +	struct net_device *ndev = NULL;
> +	__be32 be_addr = cpu_to_be32(devaddr);

Always order local variables from longest to shortest line.

> +static int
> +dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
> +	      int noblock, int flags, int *addr_len)
> +{
> +	struct sk_buff *skb;
> +	size_t copied = 0;
> +	DECLARE_SOCKADDR(struct sockaddr_lorawan *, saddr, msg->msg_name);
> +	int err;

Likewise.

I'm not going to point out every single place where you have made these
two errors.

Please audit your entire submission and fix the problems wherever they
occur.

Thank you.