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From: Herbert Xu <herbert@gondor.apana.org.au>
To: kernel test robot <lkp@intel.com>
Cc: Robert Elliott <elliott@hpe.com>,
	llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-kernel@vger.kernel.org,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Subject: [PATCH] crypto: arm/sha512-neon - Fix clang function cast warnings
Date: Wed, 19 Apr 2023 17:34:30 +0800	[thread overview]
Message-ID: <ZD+1phnERT6EkIUe@gondor.apana.org.au> (raw)
In-Reply-To: <ZD+1BQd8Phqk3lzv@gondor.apana.org.au>

Instead of casting the function which upsets clang for some reason,
change the assembly function siganture instead.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202304081828.zjGcFUyE-lkp@intel.com/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/arch/arm/crypto/sha512-neon-glue.c b/arch/arm/crypto/sha512-neon-glue.c
index c879ad32db51..c6e58fe475ac 100644
--- a/arch/arm/crypto/sha512-neon-glue.c
+++ b/arch/arm/crypto/sha512-neon-glue.c
@@ -20,8 +20,8 @@
 MODULE_ALIAS_CRYPTO("sha384-neon");
 MODULE_ALIAS_CRYPTO("sha512-neon");
 
-asmlinkage void sha512_block_data_order_neon(u64 *state, u8 const *src,
-					     int blocks);
+asmlinkage void sha512_block_data_order_neon(struct sha512_state *state,
+					     const u8 *src, int blocks);
 
 static int sha512_neon_update(struct shash_desc *desc, const u8 *data,
 			      unsigned int len)
@@ -33,8 +33,7 @@ static int sha512_neon_update(struct shash_desc *desc, const u8 *data,
 		return sha512_arm_update(desc, data, len);
 
 	kernel_neon_begin();
-	sha512_base_do_update(desc, data, len,
-		(sha512_block_fn *)sha512_block_data_order_neon);
+	sha512_base_do_update(desc, data, len, sha512_block_data_order_neon);
 	kernel_neon_end();
 
 	return 0;
@@ -49,9 +48,8 @@ static int sha512_neon_finup(struct shash_desc *desc, const u8 *data,
 	kernel_neon_begin();
 	if (len)
 		sha512_base_do_update(desc, data, len,
-			(sha512_block_fn *)sha512_block_data_order_neon);
-	sha512_base_do_finalize(desc,
-		(sha512_block_fn *)sha512_block_data_order_neon);
+				      sha512_block_data_order_neon);
+	sha512_base_do_finalize(desc, sha512_block_data_order_neon);
 	kernel_neon_end();
 
 	return sha512_base_finish(desc, out);
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

  reply	other threads:[~2023-04-19  9:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-08 10:38 arch/arm/crypto/sha1_neon_glue.c:43:8: warning: cast from 'void (*)(void *, const char *, unsigned int)' to 'sha1_block_fn *' (aka 'void (*)(struct sha1_state *, const unsigned char *, int)') converts to incompatible function type kernel test robot
2023-04-19  9:27 ` [PATCH] crypto: arm/sha1-neon - Fix clang function cast warnings Herbert Xu
2023-04-19  9:31   ` [PATCH] crypto: arm/sha256-neon " Herbert Xu
2023-04-19  9:34     ` Herbert Xu [this message]
2023-04-19 21:56       ` [PATCH] crypto: arm/sha512-neon " Nick Desaulniers
2023-04-19 21:53     ` [PATCH] crypto: arm/sha256-neon " Nick Desaulniers
2023-04-19 21:45   ` [PATCH] crypto: arm/sha1-neon " Nick Desaulniers

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