crypto: bcm - Fix unused assignment

Delete unused initialized value in cipher.c file.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 36a1f4e..7bdecf8 100644 (file)
--- 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 @@ ahash_finup_exit:
 
 static int ahash_digest(struct ahash_request *req)
 {
-       int err = 0;
+       int err;
 
        flow_log("ahash_digest() nbytes:%u\n", req->nbytes);
 
@@ -4746,7 +4746,7 @@ 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,