Fix possible error on close

Signed-off-by: David Goulet <david.goulet@polymtl.ca>

diff --git a/ltt-sessiond/trace.c b/ltt-sessiond/trace.c
index 40ba95136713e492d9c49aab05c000b6a23d699a..e0051cd1cabe0e7d50bd783c4b4a48d67429e925 100644 (file)
--- a/ltt-sessiond/trace.c
+++ b/ltt-sessiond/trace.c
@@ -297,8 +297,10 @@ void trace_destroy_kernel_session(struct ltt_kernel_session *session)
        DBG("[trace] Closing session fd %d", session->fd);
        /* Close kernel fds */
        close(session->fd);
-       DBG("[trace] Closing metadata stream fd %d", session->metadata_stream_fd);
-       close(session->metadata_stream_fd);
+       if (session->metadata_stream_fd != 0) {
+               DBG("[trace] Closing metadata stream fd %d", session->metadata_stream_fd);
+               close(session->metadata_stream_fd);
+       }
 
        trace_destroy_kernel_metadata(session->metadata);