yam: fix possible memory leak in yam_init_driver

If register_netdev(dev) fails, free_netdev(dev) needs
to be called, otherwise a memory leak will occur.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wang Hai 2020-06-04 20:18:51 +08:00 committed by David S. Miller
parent 7cdee28c4e
commit 98749b7188

View file

@ -1133,6 +1133,7 @@ static int __init yam_init_driver(void)
err = register_netdev(dev);
if (err) {
printk(KERN_WARNING "yam: cannot register net device %s\n", dev->name);
free_netdev(dev);
goto error;
}
yam_devs[i] = dev;