linux-kernel - [PATCH] crypto: bcm - Fix unused assignment

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Date:   Sat, 25 Apr 2020 22:24:14 +0800
From:   Tang Bin <tangbin@...s.chinamobile.com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tang Bin <tangbin@...s.chinamobile.com>,
        Zhang Shengju <zhangshengju@...s.chinamobile.com>
Subject: [PATCH] crypto: bcm - Fix unused assignment

Delete unused initialized value in cipher.c file.

Signed-off-by: Zhang Shengju <zhangshengju@...s.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
---
 drivers/crypto/bcm/cipher.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index c8b940854..91db553e6 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -308,9 +308,9 @@ static int handle_skcipher_req(struct iproc_reqctx_s *rctx)
 	    container_of(areq, struct skcipher_request, base);
 	struct iproc_ctx_s *ctx = rctx->ctx;
 	struct spu_cipher_parms cipher_parms;
-	int err = 0;
-	unsigned int chunksize = 0;	/* Num bytes of request to submit */
-	int remaining = 0;	/* Bytes of request still to process */
+	int err;
+	unsigned int chunksize;	/* Num bytes of request to submit */
+	int remaining;	/* Bytes of request still to process */
 	int chunk_start;	/* Beginning of data for current SPU msg */
 
 	/* IV or ctr value to use in this SPU msg */
@@ -698,7 +698,7 @@ static int handle_ahash_req(struct iproc_reqctx_s *rctx)
 
 	/* number of bytes still to be hashed in this req */
 	unsigned int nbytes_to_hash = 0;
-	int err = 0;
+	int err;
 	unsigned int chunksize = 0;	/* length of hash carry + new data */
 	/*
 	 * length of new data, not from hash carry, to be submitted in
@@ -1664,7 +1664,7 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
 	struct spu_hw *spu = &iproc_priv.spu;
 	struct brcm_message *mssg = msg;
 	struct iproc_reqctx_s *rctx;
-	int err = 0;
+	int err;
 
 	rctx = mssg->ctx;
 	if (unlikely(!rctx)) {
@@ -1967,7 +1967,7 @@ static int ahash_enqueue(struct ahash_request *req)
 	struct iproc_reqctx_s *rctx = ahash_request_ctx(req);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
 	struct iproc_ctx_s *ctx = crypto_ahash_ctx(tfm);
-	int err = 0;
+	int err;
 	const char *alg_name;
 
 	flow_log("ahash_enqueue() nbytes:%u\n", req->nbytes);
@@ -2299,7 +2299,7 @@ static int ahash_finup(struct ahash_request *req)
 
 static int ahash_digest(struct ahash_request *req)
 {
-	int err = 0;
+	int err;
 
 	flow_log("ahash_digest() nbytes:%u\n", req->nbytes);
 
@@ -4747,7 +4747,7 @@ static int bcm_spu_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct spu_hw *spu = &iproc_priv.spu;
-	int err = 0;
+	int err;
 
 	iproc_priv.pdev  = pdev;
 	platform_set_drvdata(iproc_priv.pdev,
-- 
2.20.1.windows.1