From: Changcheng Deng <deng.changcheng@xxxxxxxxxx> Subject: lib/test_vmalloc.c: use swap() to make code cleaner Use swap() in order to make code cleaner. Issue found by coccinelle. Link: https://lkml.kernel.org/r/20211028111443.15744-1-deng.changcheng@xxxxxxxxxx Signed-off-by: Changcheng Deng <deng.changcheng@xxxxxxxxxx> Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Reviewed-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/test_vmalloc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/lib/test_vmalloc.c~lib-test_vmallocc-use-swap-to-make-code-cleaner +++ a/lib/test_vmalloc.c @@ -393,7 +393,7 @@ static struct test_driver { static void shuffle_array(int *arr, int n) { unsigned int rnd; - int i, j, x; + int i, j; for (i = n - 1; i > 0; i--) { get_random_bytes(&rnd, sizeof(rnd)); @@ -402,9 +402,7 @@ static void shuffle_array(int *arr, int j = rnd % i; /* Swap indexes. */ - x = arr[i]; - arr[i] = arr[j]; - arr[j] = x; + swap(arr[i], arr[j]); } } _