[4.1] 6dca7ae Only grab the reference count if we need it.
Martin Blix Grydeland
martin at varnish-software.com
Thu Mar 3 10:52:53 CET 2016
commit 6dca7aecb0c57402e5f8def400676ddeed72cd24
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date: Tue Mar 1 21:59:07 2016 +0000
Only grab the reference count if we need it.
Spotted by: Martin
diff --git a/bin/varnishd/cache/cache_ban.c b/bin/varnishd/cache/cache_ban.c
index aea88e5..deb4255 100644
--- a/bin/varnishd/cache/cache_ban.c
+++ b/bin/varnishd/cache/cache_ban.c
@@ -525,7 +525,8 @@ BAN_CheckObject(struct worker *wrk, struct objcore *oc, struct req *req)
Lck_Lock(&ban_mtx);
b0 = ban_start;
bn = oc->ban;
- bn->refcount++;
+ if (b0 != bn)
+ bn->refcount++;
Lck_Unlock(&ban_mtx);
AN(bn);
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