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OpenCloudOS-Kernel
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selinux: netlink: Move away from NLMSG_PUT(). 

And use nlmsg_data() while we're here too.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-06-26 21:41:57 -07:00
parent b61bb01974
commit 01f534d0ae
1 changed files with 7 additions and 4 deletions
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11
security/selinux/netlink.c
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@ -19,6 +19,7 @@
#include <linux/netlink.h>
#include <linux/selinux_netlink.h>
#include <net/net_namespace.h>
#include <net/netlink.h>
#include "security.h"
@ -47,7 +48,7 @@ static void selnl_add_payload(struct nlmsghdr *nlh, int len, int msgtype, void *
{
switch (msgtype) {
case SELNL_MSG_SETENFORCE: {
struct selnl_msg_setenforce *msg = NLMSG_DATA(nlh);
struct selnl_msg_setenforce *msg = nlmsg_data(nlh);
memset(msg, 0, len);
msg->val = *((int *)data);
@ -55,7 +56,7 @@ static void selnl_add_payload(struct nlmsghdr *nlh, int len, int msgtype, void *
}
case SELNL_MSG_POLICYLOAD: {
struct selnl_msg_policyload *msg = NLMSG_DATA(nlh);
struct selnl_msg_policyload *msg = nlmsg_data(nlh);
memset(msg, 0, len);
msg->seqno = *((u32 *)data);
@ -81,7 +82,9 @@ static void selnl_notify(int msgtype, void *data)
goto oom;
tmp = skb->tail;
nlh = NLMSG_PUT(skb, 0, 0, msgtype, len);
nlh = nlmsg_put(skb, 0, 0, msgtype, len, 0);
if (!nlh)
goto out_kfree_skb;
selnl_add_payload(nlh, len, msgtype, data);
nlh->nlmsg_len = skb->tail - tmp;
NETLINK_CB(skb).dst_group = SELNLGRP_AVC;
@ -89,7 +92,7 @@ static void selnl_notify(int msgtype, void *data)
out:
return;
nlmsg_failure:
out_kfree_skb:
kfree_skb(skb);
oom:
printk(KERN_ERR "SELinux: OOM in %s\n", __func__);