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crypto: chelsio - remove redundant assignments to reqctx and dst_size

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Pointer reqctx is assigned the same value twice, once on initialization
and again a few statements later, remove the second redundant assignment.
Variable dst_size is assigned but it is never read, so the variable is
redundant and can be removed. Cleans up clang warnings:

drivers/crypto/chelsio/chcr_algo.c:156:29: warning: Value stored to
'reqctx' during its initialization is never read
drivers/crypto/chelsio/chcr_algo.c:2020:2: warning: Value stored to
'dst_size' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Colin Ian King 2017-11-09 08:54:13 +00:00 committed by Herbert Xu
parent 0c2616a7d9
commit d7fc6cfdf1
1 changed files with 0 additions and 4 deletions
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4
drivers/crypto/chelsio/chcr_algo.c
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@ -160,7 +160,6 @@ static inline void chcr_handle_ahash_resp(struct ahash_request *req,
if (input == NULL)
goto out;
reqctx = ahash_request_ctx(req);
digestsize = crypto_ahash_digestsize(crypto_ahash_reqtfm(req));
if (reqctx->is_sg_map)
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
@ -2014,11 +2013,8 @@ static int chcr_aead_common_init(struct aead_request *req,
struct chcr_aead_ctx *aeadctx = AEAD_CTX(a_ctx(tfm));
struct chcr_aead_reqctx *reqctx = aead_request_ctx(req);
int error = -EINVAL;
unsigned int dst_size;
unsigned int authsize = crypto_aead_authsize(tfm);
dst_size = req->assoclen + req->cryptlen + (op_type ?
-authsize : authsize);
/* validate key size */
if (aeadctx->enckey_len == 0)
goto err;