Commit 2c75b5c3 authored Jun 04, 2020 by Wang Hai Committed by Greg Kroah-Hartman Jun 25, 2020

yam: fix possible memory leak in yam_init_driver



[ Upstream commit 98749b7188affbf2900c2aab704a8853901d1139 ]

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

Fixes: 1da177e4 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 97c36deb

drivers/net/hamradio/yam.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1148,6 +1148,7 @@ 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;