UBUNTU: Ubuntu-2.6.38-12.51

[linux-flexiantxendom0-natty.git] / crypto / eseqiv.c

diff --git a/crypto/eseqiv.c b/crypto/eseqiv.c
index 2a342c8..42ce9f5 100644 (file)
--- a/crypto/eseqiv.c
+++ b/crypto/eseqiv.c
@@ -62,20 +62,6 @@ out:
        skcipher_givcrypt_complete(req, err);
 }
 
-static void eseqiv_chain(struct scatterlist *head, struct scatterlist *sg,
-                        int chain)
-{
-       if (chain) {
-               head->length += sg->length;
-               sg = scatterwalk_sg_next(sg);
-       }
-
-       if (sg)
-               scatterwalk_sg_chain(head, 2, sg);
-       else
-               sg_mark_end(head);
-}
-
 static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
 {
        struct crypto_ablkcipher *geniv = skcipher_givcrypt_reqtfm(req);
@@ -124,13 +110,13 @@ static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
 
        sg_init_table(reqctx->src, 2);
        sg_set_buf(reqctx->src, giv, ivsize);
-       eseqiv_chain(reqctx->src, osrc, vsrc == giv + ivsize);
+       scatterwalk_crypto_chain(reqctx->src, osrc, vsrc == giv + ivsize, 2);
 
        dst = reqctx->src;
        if (osrc != odst) {
                sg_init_table(reqctx->dst, 2);
                sg_set_buf(reqctx->dst, giv, ivsize);
-               eseqiv_chain(reqctx->dst, odst, vdst == giv + ivsize);
+               scatterwalk_crypto_chain(reqctx->dst, odst, vdst == giv + ivsize, 2);
 
                dst = reqctx->dst;
        }
@@ -153,7 +139,8 @@ static int eseqiv_givencrypt(struct skcipher_givcrypt_request *req)
        if (err)
                goto out;
 
-       eseqiv_complete2(req);
+       if (giv != req->giv)
+               eseqiv_complete2(req);
 
 out:
        return err;