linux-kernel - [PATCH -next] crypto: mxs-dcp - return errcode in mxs_dcp_aes_enqueue and dcp_sha_update

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Date:   Sat, 30 Mar 2019 13:52:21 +0800
From:   Yue Haibing <yuehaibing@...wei.com>
To:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <shawnguo@...nel.org>, <s.hauer@...gutronix.de>,
        <kernel@...gutronix.de>, <festevam@...il.com>, <linux-imx@....com>
CC:     <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] crypto: mxs-dcp - return errcode in mxs_dcp_aes_enqueue and dcp_sha_update_fx

From: YueHaibing <yuehaibing@...wei.com>

'err' is set in err path, but it's not returned to callers.
Don't always return -EINPROGRESS, return err.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/crypto/mxs-dcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index a2105cf..494cfc4 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -471,7 +471,7 @@ static int mxs_dcp_aes_enqueue(struct ablkcipher_request *req, int enc, int ecb)
 
 	wake_up_process(sdcp->thread[actx->chan]);
 
-	return -EINPROGRESS;
+	return ret;
 }
 
 static int mxs_dcp_aes_ecb_decrypt(struct ablkcipher_request *req)
@@ -797,7 +797,7 @@ static int dcp_sha_update_fx(struct ahash_request *req, int fini)
 	wake_up_process(sdcp->thread[actx->chan]);
 	mutex_unlock(&actx->mutex);
 
-	return -EINPROGRESS;
+	return ret;
 }
 
 static int dcp_sha_update(struct ahash_request *req)
-- 
2.7.0