korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 12:28:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

of_net: Fix missing of_find_device_by_node ref count drop

Browse Source 
of_find_device_by_node takes a reference to the embedded struct device
which needs to be dropped after use.

Fixes: d01f449c00 ("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>
This commit is contained in:
Petr Štetiar 2019-05-13 11:41:39 +02:00 committed by David S. Miller
parent da86f59f17
commit 3ee9ae74ba
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/of/of_net.c
View File

@ -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);