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Message-Id: <20180415041542.5364-2-jmoreira@suse.de>
Date: Sun, 15 Apr 2018 01:15:39 -0300
From: Joao Moreira <jmoreira@...e.de>
To: kernel-hardening@...ts.openwall.com
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
herbert@...dor.apana.org.au, davem@...emloft.net,
tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
gregkh@...uxfoundation.org, keescook@...omium.org
Subject: [PATCH 1/4] x86/crypto: camellia: Fix function prototypes
Convert the use of 'struct camellia_ctx *' to 'void *' in prototypes of
functions which are referenced through 'struct common_glue_func_entry',
making their prototypes match those of this struct and, consequently,
turning them compatible with CFI requirements.
Whenever needed, cast 'void *' to 'struct camellia_ctx *'.
Signed-off-by: João Moreira <jmoreira@...e.de>
---
arch/x86/crypto/camellia_aesni_avx2_glue.c | 25 ++++++++---------
arch/x86/crypto/camellia_aesni_avx_glue.c | 21 +++++++--------
arch/x86/crypto/camellia_glue.c | 6 ++---
arch/x86/include/asm/crypto/camellia.h | 43 +++++++++++++-----------------
4 files changed, 40 insertions(+), 55 deletions(-)
diff --git a/arch/x86/crypto/camellia_aesni_avx2_glue.c b/arch/x86/crypto/camellia_aesni_avx2_glue.c
index 60907c139c4e..6fe248ee5efa 100644
--- a/arch/x86/crypto/camellia_aesni_avx2_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx2_glue.c
@@ -27,20 +27,17 @@
#define CAMELLIA_AESNI_AVX2_PARALLEL_BLOCKS 32
/* 32-way AVX2/AES-NI parallel cipher functions */
-asmlinkage void camellia_ecb_enc_32way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
-asmlinkage void camellia_ecb_dec_32way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
-
-asmlinkage void camellia_cbc_dec_32way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
-asmlinkage void camellia_ctr_32way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-
-asmlinkage void camellia_xts_enc_32way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-asmlinkage void camellia_xts_dec_32way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
+asmlinkage void camellia_ecb_enc_32way(void *ctx, u8 *dst, const u8 *src);
+asmlinkage void camellia_ecb_dec_32way(void *ctx, u8 *dst, const u8 *src);
+
+asmlinkage void camellia_cbc_dec_32way(void *ctx, u8 *dst, const u8 *src);
+asmlinkage void camellia_ctr_32way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
+
+asmlinkage void camellia_xts_enc_32way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
+asmlinkage void camellia_xts_dec_32way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
static const struct common_glue_ctx camellia_enc = {
.num_funcs = 4,
diff --git a/arch/x86/crypto/camellia_aesni_avx_glue.c b/arch/x86/crypto/camellia_aesni_avx_glue.c
index d96429da88eb..3ccfd75b4af4 100644
--- a/arch/x86/crypto/camellia_aesni_avx_glue.c
+++ b/arch/x86/crypto/camellia_aesni_avx_glue.c
@@ -26,28 +26,25 @@
#define CAMELLIA_AESNI_PARALLEL_BLOCKS 16
/* 16-way parallel cipher functions (avx/aes-ni) */
-asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_ecb_enc_16way(void *ctx, u8 *dst, const u8 *src);
EXPORT_SYMBOL_GPL(camellia_ecb_enc_16way);
-asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_ecb_dec_16way(void *ctx, u8 *dst, const u8 *src);
EXPORT_SYMBOL_GPL(camellia_ecb_dec_16way);
-asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_cbc_dec_16way(void *ctx, u8 *dst, const u8 *src);
EXPORT_SYMBOL_GPL(camellia_cbc_dec_16way);
-asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
+asmlinkage void camellia_ctr_16way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
EXPORT_SYMBOL_GPL(camellia_ctr_16way);
-asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
+asmlinkage void camellia_xts_enc_16way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
EXPORT_SYMBOL_GPL(camellia_xts_enc_16way);
-asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
+asmlinkage void camellia_xts_dec_16way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
EXPORT_SYMBOL_GPL(camellia_xts_dec_16way);
void camellia_xts_enc(void *ctx, u128 *dst, const u128 *src, le128 *iv)
diff --git a/arch/x86/crypto/camellia_glue.c b/arch/x86/crypto/camellia_glue.c
index af4840ab2a3d..0942b3998de5 100644
--- a/arch/x86/crypto/camellia_glue.c
+++ b/arch/x86/crypto/camellia_glue.c
@@ -39,16 +39,14 @@
asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
EXPORT_SYMBOL_GPL(__camellia_enc_blk);
-asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_dec_blk(void *ctx, u8 *dst, const u8 *src);
EXPORT_SYMBOL_GPL(camellia_dec_blk);
/* 2-way parallel cipher functions */
asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
EXPORT_SYMBOL_GPL(__camellia_enc_blk_2way);
-asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_dec_blk_2way(void *ctx, u8 *dst, const u8 *src);
EXPORT_SYMBOL_GPL(camellia_dec_blk_2way);
static void camellia_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
diff --git a/arch/x86/include/asm/crypto/camellia.h b/arch/x86/include/asm/crypto/camellia.h
index 10f8d590bcfe..974bea896d96 100644
--- a/arch/x86/include/asm/crypto/camellia.h
+++ b/arch/x86/include/asm/crypto/camellia.h
@@ -40,35 +40,29 @@ extern int xts_camellia_setkey(struct crypto_tfm *tfm, const u8 *key,
/* regular block cipher functions */
asmlinkage void __camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
-asmlinkage void camellia_dec_blk(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_dec_blk(void *ctx, u8 *dst, const u8 *src);
/* 2-way parallel cipher functions */
asmlinkage void __camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
const u8 *src, bool xor);
-asmlinkage void camellia_dec_blk_2way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
+asmlinkage void camellia_dec_blk_2way(void *ctx, u8 *dst, const u8 *src);
/* 16-way parallel cipher functions (avx/aes-ni) */
-asmlinkage void camellia_ecb_enc_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
-asmlinkage void camellia_ecb_dec_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
-
-asmlinkage void camellia_cbc_dec_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src);
-asmlinkage void camellia_ctr_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-
-asmlinkage void camellia_xts_enc_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-asmlinkage void camellia_xts_dec_16way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src, le128 *iv);
-
-static inline void camellia_enc_blk(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src)
+asmlinkage void camellia_ecb_enc_16way(void *ctx, u8 *dst, const u8 *src);
+asmlinkage void camellia_ecb_dec_16way(void *ctx, u8 *dst, const u8 *src);
+
+asmlinkage void camellia_cbc_dec_16way(void *ctx, u8 *dst, const u8 *src);
+asmlinkage void camellia_ctr_16way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
+
+asmlinkage void camellia_xts_enc_16way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
+asmlinkage void camellia_xts_dec_16way(void *ctx, u8 *dst, const u8 *src,
+ le128 *iv);
+
+static inline void camellia_enc_blk(void *ctx, u8 *dst, const u8 *src)
{
- __camellia_enc_blk(ctx, dst, src, false);
+ __camellia_enc_blk((struct camellia_ctx *) ctx, dst, src, false);
}
static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst,
@@ -77,10 +71,9 @@ static inline void camellia_enc_blk_xor(struct camellia_ctx *ctx, u8 *dst,
__camellia_enc_blk(ctx, dst, src, true);
}
-static inline void camellia_enc_blk_2way(struct camellia_ctx *ctx, u8 *dst,
- const u8 *src)
+static inline void camellia_enc_blk_2way(void *ctx, u8 *dst, const u8 *src)
{
- __camellia_enc_blk_2way(ctx, dst, src, false);
+ __camellia_enc_blk_2way((struct camellia_ctx *) ctx, dst, src, false);
}
static inline void camellia_enc_blk_xor_2way(struct camellia_ctx *ctx, u8 *dst,
--
2.12.0
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