linux-kernel - [PATCH v2 3/4] crypto: hisilicon/sec2

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Date: Fri, 26 Jan 2024 17:21:23 +0800
From: Qi Tao <taoqi10@...wei.com>
To: <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
	<liulongfang@...wei.com>
CC: <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>
Subject: [PATCH v2 3/4] crypto: hisilicon/sec2 - fix some cleanup issues

This patch fixes following cleanup issues:
 - The return value of the function is
   inconsistent with the actual return type.
 - After the pointer type is directly converted
   to the `__le64` type, the program may crash
   or produce unexpected results.

Signed-off-by: Qi Tao <taoqi10@...wei.com>
---
 drivers/crypto/hisilicon/sec2/sec_crypto.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 692ba3213cc6..5d4facf62c86 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -118,7 +118,7 @@ struct sec_aead {
 };
 
 /* Get an en/de-cipher queue cyclically to balance load over queues of TFM */
-static inline int sec_alloc_queue_id(struct sec_ctx *ctx, struct sec_req *req)
+static inline u32 sec_alloc_queue_id(struct sec_ctx *ctx, struct sec_req *req)
 {
 	if (req->c_req.encrypt)
 		return (u32)atomic_inc_return(&ctx->enc_qcyclic) %
@@ -1371,7 +1371,7 @@ static int sec_skcipher_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
 	sec_sqe3->bd_param = cpu_to_le32(bd_param);
 
 	sec_sqe3->c_len_ivin |= cpu_to_le32(c_req->c_len);
-	sec_sqe3->tag = cpu_to_le64(req);
+	sec_sqe3->tag = cpu_to_le64((unsigned long)req);
 
 	return 0;
 }
-- 
2.33.0