[tip:perf/core] perf diff: Use perf_hpp__register_sort_field interface

[tip-bot for Jiri Olsa]

Commit-ID:  21e6d8428664293f203be3004dcd8d70f68ebdb9
Gitweb:     http://git.kernel.org/tip/21e6d8428664293f203be3004dcd8d70f68ebdb9
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 7 Jan 2016 10:14:09 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 8 Jan 2016 12:59:30 -0300

perf diff: Use perf_hpp__register_sort_field interface

Using perf_hpp__register_sort_field interface instead of directly adding
the entry.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Noel Grandin <noelgrandin@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1452158050-28061-13-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-diff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 8706383..36ccc2b 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1207,7 +1207,7 @@ static int ui_init(void)
 		BUG_ON(1);
 	}
 
-	list_add(&fmt->sort_list, &perf_hpp__sort_list);
+	perf_hpp__register_sort_field(fmt);
 	return 0;
 }