From: Mike Brady <mikebrady@eircom.net>
Date: Wed, 8 Aug 2018 08:28:34 +0000 (+0100)
Subject: Fix a read-write mutex locking issue in the metadata hub.
X-Git-Tag: 3.3RC0~265
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63c447582f0a6ff17f7e01f6e22f8f3db5f2a455;p=thirdparty%2Fshairport-sync.git

Fix a read-write mutex locking issue in the metadata hub.
---

diff --git a/metadata_hub.c b/metadata_hub.c
index 3ddbcb4d..cf19aa85 100644
--- a/metadata_hub.c
+++ b/metadata_hub.c
@@ -151,7 +151,7 @@ void metadata_hub_modify_prolog(void) {
   // debug(1, "locking metadata hub for writing");
   if (pthread_rwlock_trywrlock(&metadata_hub_re_lock) != 0) {
     debug(2, "Metadata_hub write lock is already taken -- must wait.");
-    pthread_rwlock_unlock(&metadata_hub_re_lock);
+    pthread_rwlock_wrlock(&metadata_hub_re_lock);
     debug(2, "Okay -- acquired the metadata_hub write lock.");
   }
 }