From 2c769ed7137a75a8297936fb54e6ff1f56d3d0f1 Mon Sep 17 00:00:00 2001 From: chiminghao Date: Fri, 14 Jan 2022 14:05:48 -0800 Subject: [PATCH] tools/testing/selftests/vm/userfaultfd.c: use swap() to make code cleaner Fix the following coccicheck REVIEW: tools/testing/selftests/vm/userfaultfd.c:1531:21-22:use swap() to make code cleaner Link: https://lkml.kernel.org/r/20211124031632.35317-1-chi.minghao@zte.com.cn Signed-off-by: chiminghao Reported-by: Zeal Robot Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- tools/testing/selftests/vm/userfaultfd.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 9354a5e..990f7ae 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -1417,7 +1417,6 @@ static void userfaultfd_pagemap_test(unsigned int test_pgsize) static int userfaultfd_stress(void) { void *area; - char *tmp_area; unsigned long nr; struct uffdio_register uffdio_register; struct uffd_stats uffd_stats[nr_cpus]; @@ -1528,13 +1527,9 @@ static int userfaultfd_stress(void) count_verify[nr], nr); /* prepare next bounce */ - tmp_area = area_src; - area_src = area_dst; - area_dst = tmp_area; + swap(area_src, area_dst); - tmp_area = area_src_alias; - area_src_alias = area_dst_alias; - area_dst_alias = tmp_area; + swap(area_src_alias, area_dst_alias); uffd_stats_report(uffd_stats, nr_cpus); } -- 2.7.4