linux-kernel - [PATCH] crypto: hisilicon/sec

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Message-ID: <20230915091329.31708-1-linwenkai6@hisilicon.com>
Date:   Fri, 15 Sep 2023 17:13:29 +0800
From:   Wenkai Lin <linwenkai6@...ilicon.com>
To:     <herbert@...dor.apana.org.au>
CC:     <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        <liulongfang@...wei.com>
Subject: [PATCH] crypto: hisilicon/sec - fix for sgl unmmap problem

When sec_aead_mac_init returns an error code, sec_cipher_map
will exit abnormally, the hardware sgl should be unmmaped.

Signed-off-by: Wenkai Lin <linwenkai6@...ilicon.com>
---
 drivers/crypto/hisilicon/sec2/sec_crypto.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 074e50ef5..ed77711e8 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -1011,6 +1011,7 @@ static int sec_cipher_map(struct sec_ctx *ctx, struct sec_req *req,
 		ret = sec_aead_mac_init(a_req);
 		if (unlikely(ret)) {
 			dev_err(dev, "fail to init mac data for ICV!\n");
+			hisi_acc_sg_buf_unmap(dev, src, req->in);
 			return ret;
 		}
 	}
-- 
2.30.0