Commit 548ec114 authored by Lin Zhang's avatar Lin Zhang Committed by David S. Miller
Browse files

net: phonet: mark phonet_protocol as const 



The phonet_protocol structs don't need to be written by anyone and
so can be marked as const.

Signed-off-by: default avatarLin Zhang <xiaolou4617@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 64237470

include/net/phonet/phonet.h

+4 −2
Original line number Diff line number Diff line
@@ -108,8 +108,10 @@ struct phonet_protocol { 
	int			sock_type;

};



int phonet_proto_register(unsigned int protocol, struct phonet_protocol *pp);

void phonet_proto_unregister(unsigned int protocol, struct phonet_protocol *pp);

int phonet_proto_register(unsigned int protocol,

		const struct phonet_protocol *pp);

void phonet_proto_unregister(unsigned int protocol,

		const struct phonet_protocol *pp);



int phonet_sysctl_init(void);

void phonet_sysctl_exit(void);

net/phonet/af_phonet.c

+8 −7
Original line number Diff line number Diff line
@@ -35,11 +35,11 @@ 
#include <net/phonet/pn_dev.h>



/* Transport protocol registration */

static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly;

static const struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly;



static struct phonet_protocol *phonet_proto_get(unsigned int protocol)

static const struct phonet_protocol *phonet_proto_get(unsigned int protocol)

{

	struct phonet_protocol *pp;

	const struct phonet_protocol *pp;



	if (protocol >= PHONET_NPROTO)

		return NULL;
@@ -53,7 +53,7 @@ static struct phonet_protocol *phonet_proto_get(unsigned int protocol) 
	return pp;

}



static inline void phonet_proto_put(struct phonet_protocol *pp)

static inline void phonet_proto_put(const struct phonet_protocol *pp)

{

	module_put(pp->prot->owner);

}
@@ -65,7 +65,7 @@ static int pn_socket_create(struct net *net, struct socket *sock, int protocol, 
{

	struct sock *sk;

	struct pn_sock *pn;

	struct phonet_protocol *pnp;

	const struct phonet_protocol *pnp;

	int err;



	if (!capable(CAP_SYS_ADMIN))
@@ -470,7 +470,7 @@ static struct packet_type phonet_packet_type __read_mostly = { 
static DEFINE_MUTEX(proto_tab_lock);



int __init_or_module phonet_proto_register(unsigned int protocol,

						struct phonet_protocol *pp)

				const struct phonet_protocol *pp)

{

	int err = 0;
@@ -492,7 +492,8 @@ int __init_or_module phonet_proto_register(unsigned int protocol, 
}

EXPORT_SYMBOL(phonet_proto_register);



void phonet_proto_unregister(unsigned int protocol, struct phonet_protocol *pp)

void phonet_proto_unregister(unsigned int protocol,

			const struct phonet_protocol *pp)

{

	mutex_lock(&proto_tab_lock);

	BUG_ON(proto_tab[protocol] != pp);

net/phonet/datagram.c

+1 −1
Original line number Diff line number Diff line
@@ -195,7 +195,7 @@ static struct proto pn_proto = { 
	.name		= "PHONET",

};



static struct phonet_protocol pn_dgram_proto = {

static const struct phonet_protocol pn_dgram_proto = {

	.ops		= &phonet_dgram_ops,

	.prot		= &pn_proto,

	.sock_type	= SOCK_DGRAM,

net/phonet/pep.c

+1 −1
Original line number Diff line number Diff line
@@ -1351,7 +1351,7 @@ static struct proto pep_proto = { 
	.name		= "PNPIPE",

};



static struct phonet_protocol pep_pn_proto = {

static const struct phonet_protocol pep_pn_proto = {

	.ops		= &phonet_stream_ops,

	.prot		= &pep_proto,

	.sock_type	= SOCK_SEQPACKET,

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