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>
diff --git a/kernel/audit.c b/kernel/audit.c
index 60c9c5a..d7b6757 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -523,7 +523,8 @@
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);
