linux-kernel - [PATCH] lib/crypto: arm/blake2s: Fix some comments

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Message-ID: <20251102014541.170188-1-ebiggers@kernel.org>
Date: Sat,  1 Nov 2025 18:45:41 -0700
From: Eric Biggers <ebiggers@...nel.org>
To: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Ard Biesheuvel <ardb@...nel.org>,
	"Jason A . Donenfeld" <Jason@...c4.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Eric Biggers <ebiggers@...nel.org>
Subject: [PATCH] lib/crypto: arm/blake2s: Fix some comments

Fix the indices in some comments in blake2s-core.S.

Signed-off-by: Eric Biggers <ebiggers@...nel.org>
---

This is targeting libcrypto-next

 lib/crypto/arm/blake2s-core.S | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/crypto/arm/blake2s-core.S b/lib/crypto/arm/blake2s-core.S
index 14eb7c18a836..5553e473f131 100644
--- a/lib/crypto/arm/blake2s-core.S
+++ b/lib/crypto/arm/blake2s-core.S
@@ -207,22 +207,22 @@ ENTRY(blake2s_compress)
 	_le32_bswap_8x	r2, r3, r4, r5, r6, r7, r8, r9,  r14
 	stmia		r12, {r2-r9}
 .Lcopy_block_done:
 	str		r1, [sp, #68]		// Update message pointer
 
-	// Calculate v[8..15].  Push v[9..15] onto the stack, and leave space
+	// Calculate v[8..15].  Push v[10..15] onto the stack, and leave space
 	// for spilling v[8..9].  Leave v[8..9] in r8-r9.
 	mov		r14, r0			// r14 = ctx
 	adr		r12, .Lblake2s_IV
 	ldmia		r12!, {r8-r9}		// load IV[0..1]
 	__ldrd		r0, r1, r14, 40		// load f[0..1]
-	ldm		r12, {r2-r7}		// load IV[3..7]
+	ldm		r12, {r2-r7}		// load IV[2..7]
 	eor		r4, r4, r10		// v[12] = IV[4] ^ t[0]
 	eor		r5, r5, r11		// v[13] = IV[5] ^ t[1]
 	eor		r6, r6, r0		// v[14] = IV[6] ^ f[0]
 	eor		r7, r7, r1		// v[15] = IV[7] ^ f[1]
-	push		{r2-r7}			// push v[9..15]
+	push		{r2-r7}			// push v[10..15]
 	sub		sp, sp, #8		// leave space for v[8..9]
 
 	// Load h[0..7] == v[0..7].
 	ldm		r14, {r0-r7}
 

base-commit: 5a2a5e62a5216ba05d4481cf90d915f4de0bfde9
-- 
2.51.2