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audit: kill audit_prepare_user_tty

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Now that netlink messages are processed in the context of the sender
tty_audit_push_task can be called directly and audit_prepare_user_tty
which only added looking up the task of the tty by process id is
not needed.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-09-10 23:31:17 -07:00
parent 02276bda4a
commit f95732e2e0
1 changed files with 1 additions and 19 deletions
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20
kernel/audit.c
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@ -468,24 +468,6 @@ static int kauditd_thread(void *dummy)
return 0;
}
static int audit_prepare_user_tty(pid_t pid, uid_t loginuid, u32 sessionid)
{
struct task_struct *tsk;
int err;
rcu_read_lock();
tsk = find_task_by_vpid(pid);
if (!tsk) {
rcu_read_unlock();
return -ESRCH;
}
get_task_struct(tsk);
rcu_read_unlock();
err = tty_audit_push_task(tsk, loginuid, sessionid);
put_task_struct(tsk);
return err;
}
int audit_send_list(void *_dest)
{
struct audit_netlink_list *dest = _dest;
@ -748,7 +730,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (err == 1) {
err = 0;
if (msg_type == AUDIT_USER_TTY) {
err = audit_prepare_user_tty(pid, loginuid,
err = tty_audit_push_task(current, loginuid,
sessionid);
if (err)
break;