crypto: md4 - Use ARRAY_SIZE

ARRAY_SIZE is more concise to use when the size of an array is divided by
the size of its type or the size of its first element.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@i@
@@

#include <linux/kernel.h>

@depends on i using "paren.iso"@
type T;
T[] E;
@@

- (sizeof(E)/sizeof(T))
+ ARRAY_SIZE(E)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/md4.c b/crypto/md4.c
index 3c19aa0750fdd2f19f135aec5f958a8b55c18d5a..a143c4aaa3986385f7f50ea4df5f336f8c8eba57 100644 (file)
--- a/crypto/md4.c
+++ b/crypto/md4.c
@@ -148,7 +148,7 @@ static void md4_transform(u32 *hash, u32 const *in)
 
 static inline void md4_transform_helper(struct md4_ctx *ctx)
 {
-       le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32));
+       le32_to_cpu_array(ctx->block, ARRAY_SIZE(ctx->block));
        md4_transform(ctx->hash, ctx->block);
 }
 
@@ -214,7 +214,7 @@ static void md4_final(struct crypto_tfm *tfm, u8 *out)
        le32_to_cpu_array(mctx->block, (sizeof(mctx->block) -
                          sizeof(u64)) / sizeof(u32));
        md4_transform(mctx->hash, mctx->block);
-       cpu_to_le32_array(mctx->hash, sizeof(mctx->hash) / sizeof(u32));
+       cpu_to_le32_array(mctx->hash, ARRAY_SIZE(mctx->hash));
        memcpy(out, mctx->hash, sizeof(mctx->hash));
        memset(mctx, 0, sizeof(*mctx));
 }