X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=crypto%2Fhmac.c;h=a1d016a50e7debd10f6b7030f44d598b6eccedb3;hb=dd07a8db7283f52f347aee468007556944b5b393;hp=8802fb6dd5a6c857e4d78880944d5f9c3cc6c9d4;hpb=334d0dd8b660557608142f0f77abc6812b48f08b;p=linux-2.6

diff --git a/crypto/hmac.c b/crypto/hmac.c
index 8802fb6dd5..a1d016a50e 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -17,6 +17,7 @@
  */
 
 #include <crypto/algapi.h>
+#include <crypto/scatterwalk.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
@@ -61,7 +62,7 @@ static int hmac_setkey(struct crypto_hash *parent,
 		desc.tfm = tfm;
 		desc.flags = crypto_hash_get_flags(parent);
 		desc.flags &= CRYPTO_TFM_REQ_MAY_SLEEP;
-		sg_set_buf(&tmp, inkey, keylen);
+		sg_init_one(&tmp, inkey, keylen);
 
 		err = crypto_hash_digest(&desc, &tmp, keylen, digest);
 		if (err)
@@ -96,7 +97,7 @@ static int hmac_init(struct hash_desc *pdesc)
 
 	desc.tfm = ctx->child;
 	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
-	sg_set_buf(&tmp, ipad, bs);
+	sg_init_one(&tmp, ipad, bs);
 
 	err = crypto_hash_init(&desc);
 	if (unlikely(err))
@@ -131,7 +132,7 @@ static int hmac_final(struct hash_desc *pdesc, u8 *out)
 
 	desc.tfm = ctx->child;
 	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
-	sg_set_buf(&tmp, opad, bs + ds);
+	sg_init_one(&tmp, opad, bs + ds);
 
 	err = crypto_hash_final(&desc, digest);
 	if (unlikely(err))
@@ -158,9 +159,11 @@ static int hmac_digest(struct hash_desc *pdesc, struct scatterlist *sg,
 	desc.tfm = ctx->child;
 	desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
+	sg_init_table(sg1, 2);
 	sg_set_buf(sg1, ipad, bs);
-	sg1[1].page = (void *)sg;
-	sg1[1].length = 0;
+	scatterwalk_sg_chain(sg1, 2, sg);
+
+	sg_init_table(sg2, 1);
 	sg_set_buf(sg2, opad, bs + ds);
 
 	err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);