Remove unnecessary null_cleanup

This patch removes an unnecessary null_cleanup.

2016-10-12  Tom Tromey  <tom@tromey.com>

	* tracepoint.c (trace_dump_command): Remove unnecessary
	null_cleanup.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5d83d59..aa3670d 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2016-10-12  Tom Tromey  <tom@tromey.com>
 
+       * tracepoint.c (trace_dump_command): Remove unnecessary
+       null_cleanup.
+
+2016-10-12  Tom Tromey  <tom@tromey.com>
+
        * valprint.c (generic_emit_char, count_next_character)
        (generic_printstr): Update.
        * charset.c (struct wchar_iterator): Move to charset.h.

diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c
index c89c77e..e5c353c 100644 (file)
--- a/gdb/tracepoint.c
+++ b/gdb/tracepoint.c
@@ -3061,11 +3061,9 @@ trace_dump_command (char *args, int from_tty)
   printf_filtered ("Data collected at tracepoint %d, trace frame %d:\n",
                   tracepoint_number, traceframe_number);
 
-  old_chain = make_cleanup (null_cleanup, NULL);
-
   /* This command only makes sense for the current frame, not the
      selected frame.  */
-  make_cleanup_restore_current_thread ();
+  old_chain = make_cleanup_restore_current_thread ();
   select_frame (get_current_frame ());
 
   actions = all_tracepoint_actions_and_cleanup (loc->owner);