[PATCH] Use sg_set_buf/sg_init_one where applicable

[powerpc.git] / drivers / md / dm-crypt.c

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 28c1a62..cf66310 100644 (file)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -15,7 +15,7 @@
 #include <linux/crypto.h>
 #include <linux/workqueue.h>
 #include <asm/atomic.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <asm/page.h>
 
 #include "dm.h"
@@ -164,9 +164,7 @@ static int crypt_iv_essiv_ctr(struct crypt_config *cc, struct dm_target *ti,
                return -ENOMEM;
        }
 
-       sg.page = virt_to_page(cc->key);
-       sg.offset = offset_in_page(cc->key);
-       sg.length = cc->key_size;
+       sg_set_buf(&sg, cc->key, cc->key_size);
        crypto_digest_digest(hash_tfm, &sg, 1, salt);
        crypto_free_tfm(hash_tfm);
 
@@ -207,14 +205,12 @@ static void crypt_iv_essiv_dtr(struct crypt_config *cc)
 
 static int crypt_iv_essiv_gen(struct crypt_config *cc, u8 *iv, sector_t sector)
 {
-       struct scatterlist sg = { NULL, };
+       struct scatterlist sg;
 
        memset(iv, 0, cc->iv_size);
        *(u64 *)iv = cpu_to_le64(sector);
 
-       sg.page = virt_to_page(iv);
-       sg.offset = offset_in_page(iv);
-       sg.length = cc->iv_size;
+       sg_set_buf(&sg, iv, cc->iv_size);
        crypto_cipher_encrypt((struct crypto_tfm *)cc->iv_gen_private,
                              &sg, &sg, cc->iv_size);