linux-kernel - [PATCH] usb: musb: Fix missing error code in mpfs

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Message-Id: <20220624072515.123646-1-jiapeng.chong@linux.alibaba.com>
Date:   Fri, 24 Jun 2022 15:25:15 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     lewis.hanly@...rochip.com
Cc:     conor.dooley@...rochip.com, b-liu@...com,
        gregkh@...uxfoundation.org, linux-riscv@...ts.infradead.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] usb: musb: Fix missing error code in mpfs_probe()

The error code is missing in this code scenario, add the error code
'-ENOMEM' to the return value 'ret'.

This was found by coccicheck:

drivers/usb/musb/mpfs.c:185 mpfs_probe() warn: missing error code 'ret'.

Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/usb/musb/mpfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/musb/mpfs.c b/drivers/usb/musb/mpfs.c
index 99666ef8af06..c8bf6570bcc4 100644
--- a/drivers/usb/musb/mpfs.c
+++ b/drivers/usb/musb/mpfs.c
@@ -181,8 +181,10 @@ static int mpfs_probe(struct platform_device *pdev)
 	glue->clk = clk;
 
 	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
-	if (!pdata)
+	if (!pdata) {
+		ret = -ENOMEM;
 		goto err_clk_disable;
+	}
 
 	pdata->config = &mpfs_musb_hdrc_config;
 	pdata->platform_ops = &mpfs_ops;
-- 
2.20.1.7.g153144c