mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-27 13:05:03 +08:00
57c8ce7ab3
The only usage of cifs_genl_ops[] is to assign its address to the ops field in the genl_family struct, which is a pointer to const. Make it const to allow the compiler to put it in read-only memory. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz> Signed-off-by: Steve French <stfrench@microsoft.com>
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Netlink routines for CIFS
|
|
*
|
|
* Copyright (c) 2020 Samuel Cabrero <scabrero@suse.de>
|
|
*/
|
|
|
|
#include <net/genetlink.h>
|
|
#include <uapi/linux/cifs/cifs_netlink.h>
|
|
|
|
#include "netlink.h"
|
|
#include "cifsglob.h"
|
|
#include "cifs_debug.h"
|
|
#include "cifs_swn.h"
|
|
|
|
static const struct nla_policy cifs_genl_policy[CIFS_GENL_ATTR_MAX + 1] = {
|
|
[CIFS_GENL_ATTR_SWN_REGISTRATION_ID] = { .type = NLA_U32 },
|
|
[CIFS_GENL_ATTR_SWN_NET_NAME] = { .type = NLA_STRING },
|
|
[CIFS_GENL_ATTR_SWN_SHARE_NAME] = { .type = NLA_STRING },
|
|
[CIFS_GENL_ATTR_SWN_IP] = { .len = sizeof(struct sockaddr_storage) },
|
|
[CIFS_GENL_ATTR_SWN_NET_NAME_NOTIFY] = { .type = NLA_FLAG },
|
|
[CIFS_GENL_ATTR_SWN_SHARE_NAME_NOTIFY] = { .type = NLA_FLAG },
|
|
[CIFS_GENL_ATTR_SWN_IP_NOTIFY] = { .type = NLA_FLAG },
|
|
[CIFS_GENL_ATTR_SWN_KRB_AUTH] = { .type = NLA_FLAG },
|
|
[CIFS_GENL_ATTR_SWN_USER_NAME] = { .type = NLA_STRING },
|
|
[CIFS_GENL_ATTR_SWN_PASSWORD] = { .type = NLA_STRING },
|
|
[CIFS_GENL_ATTR_SWN_DOMAIN_NAME] = { .type = NLA_STRING },
|
|
[CIFS_GENL_ATTR_SWN_NOTIFICATION_TYPE] = { .type = NLA_U32 },
|
|
[CIFS_GENL_ATTR_SWN_RESOURCE_STATE] = { .type = NLA_U32 },
|
|
[CIFS_GENL_ATTR_SWN_RESOURCE_NAME] = { .type = NLA_STRING},
|
|
};
|
|
|
|
static const struct genl_ops cifs_genl_ops[] = {
|
|
{
|
|
.cmd = CIFS_GENL_CMD_SWN_NOTIFY,
|
|
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
|
|
.doit = cifs_swn_notify,
|
|
},
|
|
};
|
|
|
|
static const struct genl_multicast_group cifs_genl_mcgrps[] = {
|
|
[CIFS_GENL_MCGRP_SWN] = { .name = CIFS_GENL_MCGRP_SWN_NAME },
|
|
};
|
|
|
|
struct genl_family cifs_genl_family = {
|
|
.name = CIFS_GENL_NAME,
|
|
.version = CIFS_GENL_VERSION,
|
|
.hdrsize = 0,
|
|
.maxattr = CIFS_GENL_ATTR_MAX,
|
|
.module = THIS_MODULE,
|
|
.policy = cifs_genl_policy,
|
|
.ops = cifs_genl_ops,
|
|
.n_ops = ARRAY_SIZE(cifs_genl_ops),
|
|
.mcgrps = cifs_genl_mcgrps,
|
|
.n_mcgrps = ARRAY_SIZE(cifs_genl_mcgrps),
|
|
};
|
|
|
|
/**
|
|
* cifs_genl_init - Register generic netlink family
|
|
*
|
|
* Return zero if initialized successfully, otherwise non-zero.
|
|
*/
|
|
int cifs_genl_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = genl_register_family(&cifs_genl_family);
|
|
if (ret < 0) {
|
|
cifs_dbg(VFS, "%s: failed to register netlink family\n",
|
|
__func__);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* cifs_genl_exit - Unregister generic netlink family
|
|
*/
|
|
void cifs_genl_exit(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = genl_unregister_family(&cifs_genl_family);
|
|
if (ret < 0) {
|
|
cifs_dbg(VFS, "%s: failed to unregister netlink family\n",
|
|
__func__);
|
|
}
|
|
}
|