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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Dan Carpenter <dan.carpenter@oracle.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.9 151/757] crypto: sa2ul - Fix pm_runtime_get_sync() error checking
Date:   Tue, 27 Oct 2020 14:46:41 +0100
Message-Id: <20201027135457.692771286@linuxfoundation.org>
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From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit 2baace5feb86c6916221911f391f11fcd8e1a259 ]

The pm_runtime_get_sync() function returns either 0 or 1 on success but
this code treats a return of 1 as a failure.

Fixes: 7694b6ca649f ("crypto: sa2ul - Add crypto driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/crypto/sa2ul.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c
index ff8bbdb4d235d..039579b7cc818 100644
--- a/drivers/crypto/sa2ul.c
+++ b/drivers/crypto/sa2ul.c
@@ -2331,7 +2331,7 @@ static int sa_ul_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(dev);
 	ret = pm_runtime_get_sync(dev);
-	if (ret) {
+	if (ret < 0) {
 		dev_err(&pdev->dev, "%s: failed to get sync: %d\n", __func__,
 			ret);
 		return ret;
-- 
2.25.1