[07/11] crypto: tgr192 - fix unaligned memory access
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Message ID 20190110201802.82442-8-ebiggers@kernel.org
State Accepted
Delegated to: Herbert Xu
Headers show
Series
  • crypto: misc fixes/cleanups
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Commit Message

Eric Biggers Jan. 10, 2019, 8:17 p.m. UTC
From: Eric Biggers <ebiggers@google.com>

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>
---
 crypto/tgr192.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch
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diff --git a/crypto/tgr192.c b/crypto/tgr192.c
index 022d3dd76c3b2..f8e1d9f9938f5 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;