X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=bcdf2c02f953768b96c5347ca7e4421fe669c8e0;hb=852a753fee8c0d561a41b99ed98ae1a123a0f899;hp=2b8e09140c65aa32c69f1a412e618493926e09ee;hpb=24cfac94e15895ca56dc4cfb56645bc88c996afe;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index 2b8e09140..bcdf2c02f 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1611,8 +1611,15 @@ int put_next_subbuffer(struct lttng_consumer_stream *stream,
 static
 bool is_get_next_check_metadata_available(int tracer_fd)
 {
-	return kernctl_get_next_subbuf_metadata_check(tracer_fd, NULL) !=
-			-ENOTTY;
+	const int ret = kernctl_get_next_subbuf_metadata_check(tracer_fd, NULL);
+	const bool available = ret != -ENOTTY;
+
+	if (ret == 0) {
+		/* get succeeded, make sure to put the subbuffer. */
+		kernctl_put_subbuf(tracer_fd);
+	}
+
+	return available;
 }
 
 static