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audit: remove needless switch in AUDIT_SET

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If userspace specified that it was setting values via the mask we do not
need a second check to see if they also set the version field high
enough to understand those values.  (clearly if they set the mask they
knew those values).

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2014-01-13 16:49:28 -05:00
parent 70249a9cfd
commit 3f0c5fad89
1 changed files with 9 additions and 16 deletions
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25
kernel/audit.c
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@ -834,22 +834,15 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (err < 0)
return err;
}
switch (s.version) {
/* add future vers # cases immediately below and allow
* to fall through */
case 2:
if (s.mask & AUDIT_STATUS_BACKLOG_WAIT_TIME) {
if (sizeof(s) > (size_t)nlh->nlmsg_len)
return -EINVAL;
if (s.backlog_wait_time < 0 ||
s.backlog_wait_time > 10*AUDIT_BACKLOG_WAIT_TIME)
return -EINVAL;
err = audit_set_backlog_wait_time(s.backlog_wait_time);
if (err < 0)
return err;
}
default:
break;
if (s.mask & AUDIT_STATUS_BACKLOG_WAIT_TIME) {
if (sizeof(s) > (size_t)nlh->nlmsg_len)
return -EINVAL;
if (s.backlog_wait_time < 0 ||
s.backlog_wait_time > 10*AUDIT_BACKLOG_WAIT_TIME)
return -EINVAL;
err = audit_set_backlog_wait_time(s.backlog_wait_time);
if (err < 0)
return err;
}
break;
}