linux-kernel - [PATCH 1/1] mmc: usdhi6rol0: fix error return code in usdhi6

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Message-ID: <20210508020321.1677-1-thunder.leizhen@huawei.com>
Date:   Sat, 8 May 2021 10:03:21 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Jesper Nilsson <jesper.nilsson@...s.com>,
        Lars Persson <lars.persson@...s.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        "Guennadi Liakhovetski" <g.liakhovetski@....de>,
        Chris Ball <chris@...ntf.net>,
        linux-arm-kernel <linux-arm-kernel@...s.com>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] mmc: usdhi6rol0: fix error return code in usdhi6_probe()

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>
---
 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 615f3d008af1..b9b79b1089a0 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -1801,6 +1801,7 @@ 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;
 	}
-- 
2.25.1