[BLOCK] dm-crypt: Align IV to u64 for essiv

This patch makes the IV u64-aligned since essiv does a u64 store to it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
git-mirror · Dec 7, 2006 · 4578932 · 4578932
1 parent 48527fa
commit 4578932
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
@@ -272,7 +272,7 @@ crypt_convert_scatterlist(struct crypt_config *cc, struct scatterlist *out,
                           struct scatterlist *in, unsigned int length,
                           int write, sector_t sector)
 {
-	u8 iv[cc->iv_size];
+	u8 iv[cc->iv_size] __attribute__ ((aligned(__alignof__(u64))));
 	struct blkcipher_desc desc = {
 		.tfm = cc->tfm,
 		.info = iv,