From: Harsh Jain <harshjain.prof@gmail.com>
Date: Tue, 28 Jun 2016 18:54:43 +0000 (+0530)
Subject: crypto: authenc - Remove redundant sg_init_table call.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c34252fd712c10da3a0b018b3b5dbe552ac1e7b9;p=linux-beck.git

crypto: authenc - Remove redundant sg_init_table call.

Remove redundant sg_init_table call. scatterwalk_ffwd doing the same.

Signed-off-by: Harsh Jain <harshjain.prof@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/authenc.c b/crypto/authenc.c
index 55a354d57251..c7cc11d36480 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -206,7 +206,6 @@ static int crypto_authenc_encrypt(struct aead_request *req)
 	struct scatterlist *src, *dst;
 	int err;
 
-	sg_init_table(areq_ctx->src, 2);
 	src = scatterwalk_ffwd(areq_ctx->src, req->src, req->assoclen);
 	dst = src;
 
@@ -215,7 +214,6 @@ static int crypto_authenc_encrypt(struct aead_request *req)
 		if (err)
 			return err;
 
-		sg_init_table(areq_ctx->dst, 2);
 		dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen);
 	}
 
@@ -251,14 +249,11 @@ static int crypto_authenc_decrypt_tail(struct aead_request *req,
 	if (crypto_memneq(ihash, ahreq->result, authsize))
 		return -EBADMSG;
 
-	sg_init_table(areq_ctx->src, 2);
 	src = scatterwalk_ffwd(areq_ctx->src, req->src, req->assoclen);
 	dst = src;
 
-	if (req->src != req->dst) {
-		sg_init_table(areq_ctx->dst, 2);
+	if (req->src != req->dst)
 		dst = scatterwalk_ffwd(areq_ctx->dst, req->dst, req->assoclen);
-	}
 
 	ablkcipher_request_set_tfm(abreq, ctx->enc);
 	ablkcipher_request_set_callback(abreq, aead_request_flags(req),