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Subject[PATCH] selftests:vm: use swap() to make code cleaner
Date
From: chiminghao <chi.minghao@zte.com.cn>

Fix the following coccicheck REVIEW:
./tools/testing/selftests/vm/userfaultfd.c:1531:21-22:use swap() to make
code cleaner

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: chiminghao <chi.minghao@zte.com.cn>
---
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 8a09057d2f22..dedbe9c9287e 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -1413,7 +1413,6 @@ 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];
@@ -1524,13 +1523,9 @@ 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);
}
--
2.25.1

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