X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flttng-abi.c;h=4dd6e7e5e2fff77290f493664b543e66471b0a96;hb=92143b2c5656;hp=312372fcb9bbc5d83bcc59011ad5834e6131d626;hpb=3e75e2a7f7693107faa58606538f80a4faf73fe6;p=lttng-modules.git

diff --git a/src/lttng-abi.c b/src/lttng-abi.c
index 312372fc..4dd6e7e5 100644
--- a/src/lttng-abi.c
+++ b/src/lttng-abi.c
@@ -1092,8 +1092,12 @@ int lttng_metadata_ring_buffer_release(struct inode *inode, struct file *file)
 	struct lttng_metadata_stream *stream = file->private_data;
 	struct lib_ring_buffer *buf = stream->priv;
 
+	mutex_lock(&stream->metadata_cache->lock);
+	list_del(&stream->list);
+	mutex_unlock(&stream->metadata_cache->lock);
 	kref_put(&stream->metadata_cache->refcount, metadata_cache_destroy);
 	module_put(stream->transport->owner);
+	kfree(stream);
 	return lib_ring_buffer_release(inode, file, buf);
 }
 
@@ -1245,8 +1249,10 @@ int lttng_abi_open_metadata_stream(struct file *channel_file)
 	if (ret < 0)
 		goto fd_error;
 
+	mutex_lock(&session->metadata_cache->lock);
 	list_add(&metadata_stream->list,
 		&session->metadata_cache->metadata_stream);
+	mutex_unlock(&session->metadata_cache->lock);
 	return ret;
 
 fd_error: