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Subject[PATCH] crypto: fix unaligned access in khazad module
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On 64-bit platform, reading directly from keys (which supposed to be
32-bit aligned) will result in unaligned access.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>

diff --git a/crypto/khazad.c b/crypto/khazad.c
index 807f2bf..c7e1d25 100644
--- a/crypto/khazad.c
+++ b/crypto/khazad.c
@@ -26,6 +26,7 @@
#include <asm/scatterlist.h>
#include <linux/crypto.h>
#include <linux/types.h>
+#include <asm/unaligned.h>

#define KHAZAD_KEY_SIZE 16
#define KHAZAD_BLOCK_SIZE 8
@@ -769,8 +770,8 @@ static int khazad_setkey(void *ctx_arg,
return -EINVAL;
}

- K2 = be64_to_cpu(key[0]);
- K1 = be64_to_cpu(key[1]);
+ K2 = be64_to_cpu(get_unaligned(&key[0]));
+ K1 = be64_to_cpu(get_unaligned(&key[1]));

/* setup the encrypt key */
for (r = 0; r <= KHAZAD_ROUNDS; r++) {
-
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