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authorPetr Štetiar <ynezz@true.cz>2019-05-13 11:41:39 +0200
committerDavid S. Miller <davem@davemloft.net>2019-05-13 08:52:37 -0700
commit3ee9ae74ba4a85c3b378a0e49ec1481655f54500 (patch)
treed33353692c9383893ecff51ba9b8e49727c52189 /drivers/of/of_net.c
parentda86f59f170df3f46ea5366a519522a2234d1094 (diff)
of_net: Fix missing of_find_device_by_node ref count drop
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> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/of/of_net.c')
-rw-r--r--drivers/of/of_net.c5
1 files changed, 4 insertions, 1 deletions
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);