linux-kernel - [PATCH] crypto: sm3 - use the more precise type u32 instead of unsigned int

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Date:   Fri, 26 Mar 2021 10:21:28 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Gilad Ben-Yossef <gilad@...yossef.com>,
        Eric Biggers <ebiggers@...gle.com>,
        Mimi Zohar <zohar@...ux.ibm.com>, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jia Zhang <zhang.jia@...ux.alibaba.com>
Cc:     Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
Subject: [PATCH] crypto: sm3 - use the more precise type u32 instead of unsigned int

In the process of calculating the hash, use the more accurate type
'u32' instead of the original 'unsigned int' to avoid ambiguity.

Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
---
 crypto/sm3_generic.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/crypto/sm3_generic.c b/crypto/sm3_generic.c
index 193c4584bd00..562e96f92f64 100644
--- a/crypto/sm3_generic.c
+++ b/crypto/sm3_generic.c
@@ -36,17 +36,17 @@ static inline u32 p1(u32 x)
 	return x ^ rol32(x, 15) ^ rol32(x, 23);
 }
 
-static inline u32 ff(unsigned int n, u32 a, u32 b, u32 c)
+static inline u32 ff(u32 n, u32 a, u32 b, u32 c)
 {
 	return (n < 16) ? (a ^ b ^ c) : ((a & b) | (a & c) | (b & c));
 }
 
-static inline u32 gg(unsigned int n, u32 e, u32 f, u32 g)
+static inline u32 gg(u32 n, u32 e, u32 f, u32 g)
 {
 	return (n < 16) ? (e ^ f ^ g) : ((e & f) | ((~e) & g));
 }
 
-static inline u32 t(unsigned int n)
+static inline u32 t(u32 n)
 {
 	return (n < 16) ? SM3_T1 : SM3_T2;
 }
@@ -54,7 +54,7 @@ static inline u32 t(unsigned int n)
 static void sm3_expand(u32 *t, u32 *w, u32 *wt)
 {
 	int i;
-	unsigned int tmp;
+	u32 tmp;
 
 	/* load the input */
 	for (i = 0; i <= 15; i++)
@@ -123,8 +123,8 @@ static void sm3_compress(u32 *w, u32 *wt, u32 *m)
 
 static void sm3_transform(struct sm3_state *sst, u8 const *src)
 {
-	unsigned int w[68];
-	unsigned int wt[64];
+	u32 w[68];
+	u32 wt[64];
 
 	sm3_expand((u32 *)src, w, wt);
 	sm3_compress(w, wt, sst->state);
-- 
2.19.1.3.ge56e4f7