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Subject[PATCH 4.19 136/639] crypto: brcm - Fix some set-but-not-used warning
Date
From: YueHaibing <yuehaibing@huawei.com>

[ Upstream commit 707d0cf8f7cff6dfee9197002859912310532c4f ]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/crypto/bcm/cipher.c: In function 'handle_ahash_req':
drivers/crypto/bcm/cipher.c:720:15: warning:
variable 'chunk_start' set but not used [-Wunused-but-set-variable]

drivers/crypto/bcm/cipher.c: In function 'spu_rx_callback':
drivers/crypto/bcm/cipher.c:1679:31: warning:
variable 'areq' set but not used [-Wunused-but-set-variable]

drivers/crypto/bcm/cipher.c:1678:22: warning:
variable 'ctx' set but not used [-Wunused-but-set-variable]

Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Raveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/crypto/bcm/cipher.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 49c0097fa4749..0b1fc5664b1d8 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -717,7 +717,7 @@ static int handle_ahash_req(struct iproc_reqctx_s *rctx)
*/
unsigned int new_data_len;

- unsigned int chunk_start = 0;
+ unsigned int __maybe_unused chunk_start = 0;
u32 db_size; /* Length of data field, incl gcm and hash padding */
int pad_len = 0; /* total pad len, including gcm, hash, stat padding */
u32 data_pad_len = 0; /* length of GCM/CCM padding */
@@ -1675,8 +1675,6 @@ 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;
- struct iproc_ctx_s *ctx;
- struct crypto_async_request *areq;
int err = 0;

rctx = mssg->ctx;
@@ -1686,8 +1684,6 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
err = -EFAULT;
goto cb_finish;
}
- areq = rctx->parent;
- ctx = rctx->ctx;

/* process the SPU status */
err = spu->spu_status_process(rctx->msg_buf.rx_stat);
--
2.20.1


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