Re: [PATCH -next] crypto: marvell - remove set but not used variable 'index'

From: Mukesh Ojha
Date: Sat Mar 30 2019 - 06:15:21 EST



On 3/30/2019 10:58 AM, Yue Haibing wrote:
From: YueHaibing <yuehaibing@xxxxxxxxxx>

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

drivers/crypto/marvell/hash.c: In function 'mv_cesa_ahash_pad_req':
drivers/crypto/marvell/hash.c:138:15: warning: variable 'index' set but not used [-Wunused-but-set-variable]

It's never used and can be removed.

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Reviewed-by: Mukesh Ojha <mojha@xxxxxxxxxxxxxx>

Cheers,
-Mukesh

---
drivers/crypto/marvell/hash.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index 99ff54c..fd456dd 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -135,11 +135,10 @@ static int mv_cesa_ahash_pad_len(struct mv_cesa_ahash_req *creq)
static int mv_cesa_ahash_pad_req(struct mv_cesa_ahash_req *creq, u8 *buf)
{
- unsigned int index, padlen;
+ unsigned int padlen;
buf[0] = 0x80;
/* Pad out to 56 mod 64 */
- index = creq->len & CESA_HASH_BLOCK_SIZE_MSK;
padlen = mv_cesa_ahash_pad_len(creq);
memset(buf + 1, 0, padlen - 1);