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From:   Zhen Lei <thunder.leizhen@huawei.com>
To:     Oliver O'Halloran <oohall@gmail.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Vishal Verma <vishal.l.verma@intel.com>,
        "Dave Jiang" <dave.jiang@intel.com>,
        Ira Weiny <ira.weiny@intel.com>,
        Markus Elfring <Markus.Elfring@web.de>,
        linux-nvdimm <linux-nvdimm@lists.01.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
CC:     Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v2 1/4] libnvdimm: fix memmory leaks in of_pmem.c
Date:   Wed, 19 Aug 2020 10:05:00 +0800
Message-ID: <20200819020503.3079-2-thunder.leizhen@huawei.com>
In-Reply-To: <20200819020503.3079-1-thunder.leizhen@huawei.com>
References: <20200819020503.3079-1-thunder.leizhen@huawei.com>
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The memory priv->bus_desc.provider_name allocated by kstrdup() is not
freed correctly.

Fixes: 49bddc73d15c ("libnvdimm/of_pmem: Provide a unique name for bus provider")
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/nvdimm/of_pmem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c
index 10dbdcdfb9ce913..1292ffca7b2ecc0 100644
--- a/drivers/nvdimm/of_pmem.c
+++ b/drivers/nvdimm/of_pmem.c
@@ -36,6 +36,7 @@ static int of_pmem_region_probe(struct platform_device *pdev)
 
 	priv->bus = bus = nvdimm_bus_register(&pdev->dev, &priv->bus_desc);
 	if (!bus) {
+		kfree(priv->bus_desc.provider_name);
 		kfree(priv);
 		return -ENODEV;
 	}
@@ -83,6 +84,7 @@ static int of_pmem_region_remove(struct platform_device *pdev)
 	struct of_pmem_private *priv = platform_get_drvdata(pdev);
 
 	nvdimm_bus_unregister(priv->bus);
+	kfree(priv->bus_desc.provider_name);
 	kfree(priv);
 
 	return 0;
-- 
1.8.3