From: Richard Guy Briggs <r...@redhat.com>
Test first to see if there are any userspace multicast listeners bound to the
socket before starting the multicast send work.
Signed-off-by: Richard Guy Briggs <rbri...@redhat.com>
---
kernel/audit.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/audit.c b/kernel/audit.c
index 9eef05b..d153a6b 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -428,6 +428,8 @@ static void kauditd_send_multicast_skb(struct sk_buff *skb)
struct sk_buff *copy;
struct nlmsghdr *nlh;
+ if (!netlink_has_listeners(audit_sock, AUDIT_NLGRP_READLOG))
+ return;
/*
* The seemingly wasteful skb_copy() is necessary because the original
* kaudit unicast socket sends up messages with nlmsg_len set to the
--
1.8.0.2
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