X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Flttng-abi.c;h=7096daf7a544358202e14f49ae210d13397c48b2;hb=4a7d870a981874db47b3c3b94f913fdd57bf19d6;hp=a9beda756d7bbee4b9127eaec6c9ebb65353045f;hpb=99f52fcce5865809584c1e022bca1409702ea292;p=lttng-modules.git

diff --git a/src/lttng-abi.c b/src/lttng-abi.c
index a9beda75..7096daf7 100644
--- a/src/lttng-abi.c
+++ b/src/lttng-abi.c
@@ -37,6 +37,7 @@
 #include <wrapper/poll.h>
 #include <wrapper/file.h>
 #include <wrapper/kref.h>
+#include <wrapper/barrier.h>
 #include <lttng/string-utils.h>
 #include <lttng/abi.h>
 #include <lttng/abi-old.h>
@@ -2144,8 +2145,13 @@ long lttng_abi_event_notifier_group_create_error_counter(
 		goto counter_error;
 	}
 
-	event_notifier_group->error_counter = counter;
 	event_notifier_group->error_counter_len = counter_len;
+	/*
+	 * store-release to publish error counter matches load-acquire
+	 * in record_error. Ensures the counter is created and the
+	 * error_counter_len is set before they are used.
+	 */
+	lttng_smp_store_release(&event_notifier_group->error_counter, counter);
 
 	counter->file = counter_file;
 	counter->owner = event_notifier_group->file;