[PATCH 2/2] perf tools: Remove extra list_del_init calls in list reset

[Jiri Olsa]

We only needs to remove the format from the currently
iterated list. The other removals/inits are superfluous
because we free the format in any case.

Link: http://lkml.kernel.org/n/tip-8umo89ntt3kawmfwsivav43t@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 tools/perf/ui/hist.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index feb2174ddd1f..a0fee2ac8599 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -614,15 +614,15 @@ void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 
 	/* reset output fields */
 	perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
-		list_del_init(&fmt->list);
-		list_del_init(&fmt->sort_list);
+		list_del(&fmt->list);
+		/* Remove the fmt from next loop processing. */
+		list_del(&fmt->sort_list);
 		fmt_free(fmt);
 	}
 
 	/* reset sort keys */
 	perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
-		list_del_init(&fmt->list);
-		list_del_init(&fmt->sort_list);
+		list_del(&fmt->sort_list);
 		fmt_free(fmt);
 	}
 }
-- 
2.9.4