linux-kernel - [PATCH v4 01/19] lib/crc32: drop leading underscores from __crc32c_le

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Message-ID: <20241202010844.144356-2-ebiggers@kernel.org>
Date: Sun,  1 Dec 2024 17:08:26 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: linux-arch@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-crypto@...r.kernel.org,
	linux-ext4@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net,
	linux-mips@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-s390@...r.kernel.org,
	linux-scsi@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	loongarch@...ts.linux.dev,
	sparclinux@...r.kernel.org,
	x86@...nel.org,
	Ard Biesheuvel <ardb@...nel.org>
Subject: [PATCH v4 01/19] lib/crc32: drop leading underscores from __crc32c_le_base

From: Eric Biggers <ebiggers@...gle.com>

Remove the leading underscores from __crc32c_le_base().

This is in preparation for adding crc32c_le_arch() and eventually
renaming __crc32c_le() to crc32c_le().

Reviewed-by: Ard Biesheuvel <ardb@...nel.org>
Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
 arch/arm64/lib/crc32-glue.c | 2 +-
 arch/riscv/lib/crc32.c      | 2 +-
 crypto/crc32c_generic.c     | 8 ++++----
 include/linux/crc32.h       | 2 +-
 lib/crc32.c                 | 4 ++--
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm64/lib/crc32-glue.c b/arch/arm64/lib/crc32-glue.c
index 295ae3e6b997..ad015223d15d 100644
--- a/arch/arm64/lib/crc32-glue.c
+++ b/arch/arm64/lib/crc32-glue.c
@@ -42,11 +42,11 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
 }
 
 u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len)
 {
 	if (!alternative_has_cap_likely(ARM64_HAS_CRC32))
-		return __crc32c_le_base(crc, p, len);
+		return crc32c_le_base(crc, p, len);
 
 	if (len >= min_len && cpu_have_named_feature(PMULL) && crypto_simd_usable()) {
 		kernel_neon_begin();
 		crc = crc32c_le_arm64_4way(crc, p, len);
 		kernel_neon_end();
diff --git a/arch/riscv/lib/crc32.c b/arch/riscv/lib/crc32.c
index d7dc599af3ef..333fb7af1192 100644
--- a/arch/riscv/lib/crc32.c
+++ b/arch/riscv/lib/crc32.c
@@ -224,11 +224,11 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
 }
 
 u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len)
 {
 	return crc32_le_generic(crc, p, len, CRC32C_POLY_LE,
-				CRC32C_POLY_QT_LE, __crc32c_le_base);
+				CRC32C_POLY_QT_LE, crc32c_le_base);
 }
 
 static inline u32 crc32_be_unaligned(u32 crc, unsigned char const *p,
 				     size_t len)
 {
diff --git a/crypto/crc32c_generic.c b/crypto/crc32c_generic.c
index 7c2357c30fdf..635599b255ec 100644
--- a/crypto/crc32c_generic.c
+++ b/crypto/crc32c_generic.c
@@ -83,11 +83,11 @@ static int chksum_setkey(struct crypto_shash *tfm, const u8 *key,
 static int chksum_update(struct shash_desc *desc, const u8 *data,
 			 unsigned int length)
 {
 	struct chksum_desc_ctx *ctx = shash_desc_ctx(desc);
 
-	ctx->crc = __crc32c_le_base(ctx->crc, data, length);
+	ctx->crc = crc32c_le_base(ctx->crc, data, length);
 	return 0;
 }
 
 static int chksum_update_arch(struct shash_desc *desc, const u8 *data,
 			      unsigned int length)
@@ -106,11 +106,11 @@ static int chksum_final(struct shash_desc *desc, u8 *out)
 	return 0;
 }
 
 static int __chksum_finup(u32 *crcp, const u8 *data, unsigned int len, u8 *out)
 {
-	put_unaligned_le32(~__crc32c_le_base(*crcp, data, len), out);
+	put_unaligned_le32(~crc32c_le_base(*crcp, data, len), out);
 	return 0;
 }
 
 static int __chksum_finup_arch(u32 *crcp, const u8 *data, unsigned int len,
 			       u8 *out)
@@ -198,16 +198,16 @@ static struct shash_alg algs[] = {{
 }};
 
 static int __init crc32c_mod_init(void)
 {
 	/* register the arch flavor only if it differs from the generic one */
-	return crypto_register_shashes(algs, 1 + (&__crc32c_le != &__crc32c_le_base));
+	return crypto_register_shashes(algs, 1 + (&__crc32c_le != &crc32c_le_base));
 }
 
 static void __exit crc32c_mod_fini(void)
 {
-	crypto_unregister_shashes(algs, 1 + (&__crc32c_le != &__crc32c_le_base));
+	crypto_unregister_shashes(algs, 1 + (&__crc32c_le != &crc32c_le_base));
 }
 
 subsys_initcall(crc32c_mod_init);
 module_exit(crc32c_mod_fini);
 
diff --git a/include/linux/crc32.h b/include/linux/crc32.h
index 87f788c0d607..5b07fc9081c4 100644
--- a/include/linux/crc32.h
+++ b/include/linux/crc32.h
@@ -37,11 +37,11 @@ static inline u32 crc32_le_combine(u32 crc1, u32 crc2, size_t len2)
 {
 	return crc32_le_shift(crc1, len2) ^ crc2;
 }
 
 u32 __pure __crc32c_le(u32 crc, unsigned char const *p, size_t len);
-u32 __pure __crc32c_le_base(u32 crc, unsigned char const *p, size_t len);
+u32 __pure crc32c_le_base(u32 crc, unsigned char const *p, size_t len);
 
 /**
  * __crc32c_le_combine - Combine two crc32c check values into one. For two
  * 			 sequences of bytes, seq1 and seq2 with lengths len1
  * 			 and len2, __crc32c_le() check values were calculated
diff --git a/lib/crc32.c b/lib/crc32.c
index ff587fee3893..c67059b0082b 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -205,12 +205,12 @@ EXPORT_SYMBOL(crc32_le);
 EXPORT_SYMBOL(__crc32c_le);
 
 u32 __pure crc32_le_base(u32, unsigned char const *, size_t) __alias(crc32_le);
 EXPORT_SYMBOL(crc32_le_base);
 
-u32 __pure __crc32c_le_base(u32, unsigned char const *, size_t) __alias(__crc32c_le);
-EXPORT_SYMBOL(__crc32c_le_base);
+u32 __pure crc32c_le_base(u32, unsigned char const *, size_t) __alias(__crc32c_le);
+EXPORT_SYMBOL(crc32c_le_base);
 
 u32 __pure crc32_be_base(u32, unsigned char const *, size_t) __alias(crc32_be);
 
 /*
  * This multiplies the polynomials x and y modulo the given modulus.
-- 
2.47.1