X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=32f55f0b736d1cc59ffd47ee7ff395e926a02bb5;hb=77de880d485806782767ea115324bbede4ee0c69;hp=de1a14c218729bd9e88b0a1c1e9cf8219f85e596;hpb=032a3d09c1834efc9e4112cce5f5d58082db08ba;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index de1a14c21..32f55f0b7 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1636,8 +1636,15 @@ 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