[main] Don't try to write debug buffer if open fails

Before we would try to use the fd causing assertion failures.

diff --git a/src/main.c b/src/main.c
index d3f8ebb2dade77b583b604b505fab17e4e04b77f..c98bdf7e2f12492419446c5753a87c57fa920ba8 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -1330,6 +1330,10 @@ dump_debug_buffer_to_file (void)
 
   fd = open (debug_buffer_path,
              O_WRONLY | O_CREAT, 0600);
+
+  if (fd < 0)
+    return;
+
   size = ply_buffer_get_size (debug_buffer);
   bytes = ply_buffer_get_bytes (debug_buffer);
   ply_write (fd, bytes, size);