can: af_can: convert block comments to network style comments (147d9e9a) · Commits · 戴 / test

net/can/af_can.c

+14 −35

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
		/*
		* af_can.c - Protocol family CAN core module
		/* af_can.c - Protocol family CAN core module
		* (used by different CAN protocol modules)
		*
		* Copyright (c) 2002-2017 Volkswagen Group Electronic Research
		@@ -84,9 +83,7 @@ static DEFINE_MUTEX(proto_tab_lock);

		static atomic_t skbcounter = ATOMIC_INIT(0);

		/*
		* af_can socket functions
		*/
		/* af_can socket functions */

		static void can_sock_destruct(struct sock *sk)
		{
		@@ -132,8 +129,7 @@ static int can_create(struct net net, struct socket sock, int protocol,

		err = request_module("can-proto-%d", protocol);

		/*
		* In case of error we only print a message but don't
		/* In case of error we only print a message but don't
		* return the error code immediately. Below we will
		* return -EPROTONOSUPPORT
		*/
		@@ -180,9 +176,7 @@ static int can_create(struct net net, struct socket sock, int protocol,
		return err;
		}

		/*
		* af_can tx path
		*/
		/* af_can tx path */

		/**
		* can_send - transmit a CAN frame (optional with local loopback)
		@@ -218,8 +212,7 @@ int can_send(struct sk_buff *skb, int loop)
		} else
		goto inval_skb;

		/*
		* Make sure the CAN frame can pass the selected CAN netdevice.
		/* Make sure the CAN frame can pass the selected CAN netdevice.
		* As structs can_frame and canfd_frame are similar, we can provide
		* CAN FD frames to legacy CAN drivers as long as the length is <= 8
		*/
		@@ -250,8 +243,7 @@ int can_send(struct sk_buff *skb, int loop)
		/* indication for the CAN driver: do loopback */
		skb->pkt_type = PACKET_LOOPBACK;

		/*
		* The reference to the originating sock may be required
		/* The reference to the originating sock may be required
		* by the receiving socket to check whether the frame is
		* its own. Example: can_raw sockopt CAN_RAW_RECV_OWN_MSGS
		* Therefore we have to ensure that skb->sk remains the
		@@ -260,8 +252,7 @@ int can_send(struct sk_buff *skb, int loop)
		*/

		if (!(skb->dev->flags & IFF_ECHO)) {
		/*
		* If the interface is not capable to do loopback
		/* If the interface is not capable to do loopback
		* itself, we do it here.
		*/
		newskb = skb_clone(skb, GFP_ATOMIC);
		@@ -304,9 +295,7 @@ inval_skb:
		}
		EXPORT_SYMBOL(can_send);

		/*
		* af_can rx path
		*/
		/* af_can rx path */

		static struct can_dev_rcv_lists find_dev_rcv_lists(struct net net,
		struct net_device *dev)
		@@ -498,9 +487,7 @@ int can_rx_register(struct net net, struct net_device dev, canid_t can_id,
		}
		EXPORT_SYMBOL(can_rx_register);

		/*
		* can_rx_delete_receiver - rcu callback for single receiver entry removal
		*/
		/* can_rx_delete_receiver - rcu callback for single receiver entry removal */
		static void can_rx_delete_receiver(struct rcu_head *rp)
		{
		struct receiver *r = container_of(rp, struct receiver, rcu);
		@@ -549,8 +536,7 @@ void can_rx_unregister(struct net net, struct net_device dev, canid_t can_id,

		rl = find_rcv_list(&can_id, &mask, d);

		/*
		* Search the receiver list for the item to delete. This should
		/* Search the receiver list for the item to delete. This should
		* exist, since no receiver may be unregistered that hasn't
		* been registered before.
		*/
		@@ -561,8 +547,7 @@ void can_rx_unregister(struct net net, struct net_device dev, canid_t can_id,
		break;
		}

		/*
		* Check for bugs in CAN protocol implementations using af_can.c:
		/* Check for bugs in CAN protocol implementations using af_can.c:
		* 'r' will be NULL if no matching list item was found for removal.
		*/

		@@ -737,9 +722,7 @@ static int canfd_rcv(struct sk_buff skb, struct net_device dev,
		return NET_RX_SUCCESS;
		}

		/*
		* af_can protocol functions
		*/
		/* af_can protocol functions */

		/**
		* can_proto_register - register CAN transport protocol
		@@ -801,9 +784,7 @@ void can_proto_unregister(const struct can_proto *cp)
		}
		EXPORT_SYMBOL(can_proto_unregister);

		/*
		* af_can notifier to create/remove CAN netdevice specific structs
		*/
		/* af_can notifier to create/remove CAN netdevice specific structs */
		static int can_notifier(struct notifier_block *nb, unsigned long msg,
		void *ptr)
		{
		@@ -913,9 +894,7 @@ static void can_pernet_exit(struct net *net)
		kfree(net->can.can_pstats);
		}

		/*
		* af_can module init/exit functions
		*/
		/* af_can module init/exit functions */

		static struct packet_type can_packet __read_mostly = {
		.type = cpu_to_be16(ETH_P_CAN),

net/can/af_can.h

+1 −2

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
		/*
		* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
		/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without

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