Hello,
Fix zone register locking in zr_set_zone_serial_digest().
Zone register has to be locked against simultaneous writes.
--
Petr^2 Spacek
From ad51025a35efe47542f4379049c8e23d1054726c Mon Sep 17 00:00:00 2001
From: Petr Spacek <pspa...@redhat.com>
Date: Wed, 26 Sep 2012 12:51:06 +0200
Subject: [PATCH] Fix zone register locking in zr_set_zone_serial_digest().
Zone register has to be locked against simultaneous writes.
Signed-off-by: Petr Spacek <pspa...@redhat.com>
---
src/zone_register.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/zone_register.c b/src/zone_register.c
index b2b938f3336b23a40d43c85062c9389a2190f3cb..76305730b2e19686568f8a1bc6ac703ed3898fcc 100644
--- a/src/zone_register.c
+++ b/src/zone_register.c
@@ -370,15 +370,15 @@ zr_set_zone_serial_digest(zone_register_t *zr, dns_name_t *name,
return ISC_R_FAILURE;
}
- RWLOCK(&zr->rwlock, isc_rwlocktype_read);
+ RWLOCK(&zr->rwlock, isc_rwlocktype_write);
result = dns_rbt_findname(zr->rbt, name, 0, NULL, (void *)&zinfo);
if (result == ISC_R_SUCCESS) {
zinfo->serial = serial;
memcpy(zinfo->digest, digest, RDLIST_DIGESTLENGTH);
}
- RWUNLOCK(&zr->rwlock, isc_rwlocktype_read);
+ RWUNLOCK(&zr->rwlock, isc_rwlocktype_write);
return result;
}
--
1.7.11.4
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