crypto: authenc - Remove redundant sg_init_table call.

[mirror_ubuntu-zesty-kernel.git] / crypto / authenc.c

diff --git a/crypto/authenc.c b/crypto/authenc.c
index 55a354d572513b642566b50db7252d3aecdceb38..c7cc11d364805d4e3f54baf14fbebfcdb16a0a77 100644 (file)
--- 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),