[PATCH 6.1 203/379] libnvdimm/of_pmem: Use devm_kstrdup instead of kstrdup and check its return value

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chen Ni <nichen@xxxxxxxxxxx>

[ Upstream commit 6fd4ebfc4d61e3097b595ab2725d513e3bbd6739 ]

Use devm_kstrdup() instead of kstrdup() and check its return value to
avoid memory leak.

Fixes: 49bddc73d15c ("libnvdimm/of_pmem: Provide a unique name for bus provider")
Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/nvdimm/of_pmem.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c
index 10dbdcdfb9ce9..0243789ba914b 100644
--- a/drivers/nvdimm/of_pmem.c
+++ b/drivers/nvdimm/of_pmem.c
@@ -30,7 +30,13 @@ static int of_pmem_region_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	priv->bus_desc.provider_name = kstrdup(pdev->name, GFP_KERNEL);
+	priv->bus_desc.provider_name = devm_kstrdup(&pdev->dev, pdev->name,
+							GFP_KERNEL);
+	if (!priv->bus_desc.provider_name) {
+		kfree(priv);
+		return -ENOMEM;
+	}
+
 	priv->bus_desc.module = THIS_MODULE;
 	priv->bus_desc.of_node = np;
 
-- 
2.42.0






[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux