From f990f7fb58ac8ac9a43316f09a48cff1a49dda42 Mon Sep 17 00:00:00 2001
From: Eric Biggers <ebiggers@google.com>
Date: Thu, 10 Jan 2019 12:17:58 -0800
Subject: [PATCH] crypto: tgr192 - fix unaligned memory access
Git-commit: f990f7fb58ac8ac9a43316f09a48cff1a49dda42
Patch-mainline: v5.1-rc1
References: bsc#1051510
Fix an unaligned memory access in tgr192_transform() by using the
unaligned access helpers.
Fixes: 06ace7a9bafe ("[CRYPTO] Use standard byte order macros wherever possible")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
crypto/tgr192.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/crypto/tgr192.c b/crypto/tgr192.c
index 022d3dd76c3b..f8e1d9f9938f 100644
--- a/crypto/tgr192.c
+++ b/crypto/tgr192.c
@@ -25,8 +25,9 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <asm/byteorder.h>
#include <linux/types.h>
+#include <asm/byteorder.h>
+#include <asm/unaligned.h>
#define TGR192_DIGEST_SIZE 24
#define TGR160_DIGEST_SIZE 20
@@ -468,10 +469,9 @@ static void tgr192_transform(struct tgr192_ctx *tctx, const u8 * data)
u64 a, b, c, aa, bb, cc;
u64 x[8];
int i;
- const __le64 *ptr = (const __le64 *)data;
for (i = 0; i < 8; i++)
- x[i] = le64_to_cpu(ptr[i]);
+ x[i] = get_unaligned_le64(data + i * sizeof(__le64));
/* save */
a = aa = tctx->a;
--
2.16.4