audit: wake up threads if queue switched from limited to unlimited

If the audit_backlog_limit is changed from a limited value to an
unlimited value (zero) while the queue was overflowed, wake up the
audit_backlog_wait queue to allow those processes to continue.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Richard Guy Briggs 2016-01-13 09:18:54 -05:00 committed by Paul Moore
parent f48a942926
commit 1194b994be

View File

@ -523,7 +523,8 @@ static int kauditd_thread(void *dummy)
skb = skb_dequeue(&audit_skb_queue);
if (skb) {
if (skb_queue_len(&audit_skb_queue) <= audit_backlog_limit)
if (!audit_backlog_limit ||
(skb_queue_len(&audit_skb_queue) <= audit_backlog_limit))
wake_up(&audit_backlog_wait);
if (audit_pid)
kauditd_send_skb(skb);