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authorDan Carpenter <dan.carpenter@oracle.com>2019-12-03 17:12:39 +0300
committerDavid S. Miller <davem@davemloft.net>2019-12-03 11:19:29 -0800
commit42c17fa69f9866a3f80ac196ce70b4fda1242717 (patch)
tree9d622ebc4023504e95cabcb249bcdac3771ddf7b /net
parent56e7a2f83d13306500ce807dd7ebbbb73b5a91d6 (diff)
net: fix a leak in register_netdevice()
We have to free "dev->name_node" on this error path. Fixes: ff92741270bf ("net: introduce name_node struct to be used in hashlist") Reported-by: syzbot+6e13e65ffbaa33757bcb@syzkaller.appspotmail.com Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 46580b290450..e7c027fb4808 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -9246,7 +9246,7 @@ int register_netdevice(struct net_device *dev)
if (ret) {
if (ret > 0)
ret = -EIO;
- goto out;
+ goto err_free_name;
}
}
@@ -9361,12 +9361,12 @@ out:
return ret;
err_uninit:
- if (dev->name_node)
- netdev_name_node_free(dev->name_node);
if (dev->netdev_ops->ndo_uninit)
dev->netdev_ops->ndo_uninit(dev);
if (dev->priv_destructor)
dev->priv_destructor(dev);
+err_free_name:
+ netdev_name_node_free(dev->name_node);
goto out;
}
EXPORT_SYMBOL(register_netdevice);