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Message-Id: <20200623195418.921054673@linuxfoundation.org>
Date:   Tue, 23 Jun 2020 21:53:57 +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, Wei Yongjun <weiyongjun1@...wei.com>,
        Dong Aisheng <aisheng.dong@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 240/477] firmware: imx: scu: Fix possible memory leak in imx_scu_probe()

From: Wei Yongjun <weiyongjun1@...wei.com>

[ Upstream commit 89f12d6509bff004852c51cb713a439a86816b24 ]

'chan_name' is malloced in imx_scu_probe() and should be freed
before leaving from the error handling cases, otherwise it will
cause memory leak.

Fixes: edbee095fafb ("firmware: imx: add SCU firmware driver support")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Reviewed-by: Dong Aisheng <aisheng.dong@....com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/firmware/imx/imx-scu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c
index b3da2e193ad2d..176ddd151375a 100644
--- a/drivers/firmware/imx/imx-scu.c
+++ b/drivers/firmware/imx/imx-scu.c
@@ -314,6 +314,7 @@ static int imx_scu_probe(struct platform_device *pdev)
 			if (ret != -EPROBE_DEFER)
 				dev_err(dev, "Failed to request mbox chan %s ret %d\n",
 					chan_name, ret);
+			kfree(chan_name);
 			return ret;
 		}
 
-- 
2.25.1



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