From: Yang Guang <yang.guang5@zte.com.cn> mainline inclusion from mainline-v5.17-rc1 commit 574c833ef3a6 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5AFY1 CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ---------------------------------------------------------------------- Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid opencoding it. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Yang Guang <yang.guang5@zte.com.cn> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Jiangshui Yang <yangjiangshui@h-partners.com> Reviewed-by: Yang Shen <shenyang39@huawei.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- drivers/crypto/hisilicon/hpre/hpre_crypto.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index a032c192ef1d..0f1724d355b8 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -1177,13 +1177,10 @@ static void hpre_rsa_exit_tfm(struct crypto_akcipher *tfm) static void hpre_key_to_big_end(u8 *data, int len) { int i, j; - u8 tmp; for (i = 0; i < len / 2; i++) { j = len - i - 1; - tmp = data[j]; - data[j] = data[i]; - data[i] = tmp; + swap(data[j], data[i]); } } -- 2.20.1