From: "Petr Štetiar" <ynezz@true.cz>
To: Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>
Cc: "Petr Štetiar" <ynezz@true.cz>,
netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] of_net: Fix missing of_find_device_by_node ref count drop
Date: Mon, 13 May 2019 11:41:39 +0200 [thread overview]
Message-ID: <1557740500-2479-1-git-send-email-ynezz@true.cz> (raw)
of_find_device_by_node takes a reference to the embedded struct device
which needs to be dropped after use.
Fixes: d01f449c008a ("of_net: add NVMEM support to of_get_mac_address")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
drivers/of/of_net.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c
index a4b392a5406b..6f1be80e8c4e 100644
--- a/drivers/of/of_net.c
+++ b/drivers/of/of_net.c
@@ -60,10 +60,13 @@ static const void *of_get_mac_addr_nvmem(struct device_node *np)
return ERR_PTR(-ENODEV);
ret = nvmem_get_mac_address(&pdev->dev, &nvmem_mac);
- if (ret)
+ if (ret) {
+ put_device(&pdev->dev);
return ERR_PTR(ret);
+ }
mac = devm_kmemdup(&pdev->dev, nvmem_mac, ETH_ALEN, GFP_KERNEL);
+ put_device(&pdev->dev);
if (!mac)
return ERR_PTR(-ENOMEM);
--
1.9.1
next reply other threads:[~2019-05-13 9:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-13 9:41 Petr Štetiar [this message]
2019-05-13 12:55 ` Andrew Lunn
2019-05-13 15:53 ` David Miller
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