[PATCH 4.9 049/264] crypto: Deduplicate le32_to_cpu_array() and cpu_to_le32_array()

Greg Kroah-Hartman
2022-06-23T17:01:14Z

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

commit 9def051018c08e65c532822749e857eb4b2e12e7 upstream.

Deduplicate le32_to_cpu_array() and cpu_to_le32_array() by moving them
to the generic header.

No functional change implied.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
crypto/md4.c | 17 -----------------
crypto/md5.c | 17 -----------------
include/linux/byteorder/generic.h | 17 +++++++++++++++++
3 files changed, 17 insertions(+), 34 deletions(-)

--- a/crypto/md4.c
+++ b/crypto/md4.c
@@ -64,23 +64,6 @@ static inline u32 H(u32 x, u32 y, u32 z)
#define ROUND2(a,b,c,d,k,s) (a = lshift(a + G(b,c,d) + k + (u32)0x5A827999,s))
#define ROUND3(a,b,c,d,k,s) (a = lshift(a + H(b,c,d) + k + (u32)0x6ED9EBA1,s))

-/* XXX: this stuff can be optimized */
-static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
-{
- while (words--) {
- __le32_to_cpus(buf);
- buf++;
- }
-}
-
-static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
-{
- while (words--) {
- __cpu_to_le32s(buf);
- buf++;
- }
-}
-
static void md4_transform(u32 *hash, u32 const *in)
{
u32 a, b, c, d;
--- a/crypto/md5.c
+++ b/crypto/md5.c
@@ -30,23 +30,6 @@ const u8 md5_zero_message_hash[MD5_DIGES
};
EXPORT_SYMBOL_GPL(md5_zero_message_hash);

-/* XXX: this stuff can be optimized */
-static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
-{
- while (words--) {
- __le32_to_cpus(buf);
- buf++;
- }
-}
-
-static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
-{
- while (words--) {
- __cpu_to_le32s(buf);
- buf++;
- }
-}
-
static inline void md5_transform_helper(struct md5_state *ctx)
{
le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32));
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -155,6 +155,23 @@ static inline void le64_add_cpu(__le64 *
*var = cpu_to_le64(le64_to_cpu(*var) + val);
}

+/* XXX: this stuff can be optimized */
+static inline void le32_to_cpu_array(u32 *buf, unsigned int words)
+{
+ while (words--) {
+ __le32_to_cpus(buf);
+ buf++;
+ }
+}
+
+static inline void cpu_to_le32_array(u32 *buf, unsigned int words)
+{
+ while (words--) {
+ __cpu_to_le32s(buf);
+ buf++;
+ }
+}
+
static inline void be16_add_cpu(__be16 *var, u16 val)
{
*var = cpu_to_be16(be16_to_cpu(*var) + val);