[PATCH v2 1/4] libnvdimm: fix memmory leaks in of_pmem.c

From: Zhen Lei
Date: Tue Aug 18 2020 - 22:06:05 EST


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@xxxxxxxxxx>
---
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