linux-kernel - [PATCH 4.4 057/188] mmc: usdhi6rol0: fix error return code in usdhi6

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Message-Id: <20210719144926.340059214@linuxfoundation.org>
Date:   Mon, 19 Jul 2021 16:50:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Zhen Lei <thunder.leizhen@...wei.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.4 057/188] mmc: usdhi6rol0: fix error return code in usdhi6_probe()

From: Zhen Lei <thunder.leizhen@...wei.com>

[ Upstream commit 2f9ae69e5267f53e89e296fccee291975a85f0eb ]

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: 75fa9ea6e3c0 ("mmc: add a driver for the Renesas usdhi6rol0 SD/SDIO host controller")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Link: https://lore.kernel.org/r/20210508020321.1677-1-thunder.leizhen@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mmc/host/usdhi6rol0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
index 2b6a9c6a6e96..49798a68299e 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -1751,6 +1751,7 @@ static int usdhi6_probe(struct platform_device *pdev)
 
 	version = usdhi6_read(host, USDHI6_VERSION);
 	if ((version & 0xfff) != 0xa0d) {
+		ret = -EPERM;
 		dev_err(dev, "Version not recognized %x\n", version);
 		goto e_clk_off;
 	}
-- 
2.30.2