Commit 3fcccec0 authored Nov 12, 2018 by Li RongQing Committed by Steffen Klassert Nov 22, 2018

xfrm6: remove BUG_ON from xfrm6_dst_ifdown



if loopback_idev is NULL pointer, and the following access of
loopback_idev will trigger panic, which is same as BUG_ON

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

parent 39aa6928

net/ipv6/xfrm6_policy.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -262,7 +262,6 @@ static void xfrm6_dst_ifdown(struct dst_entry dst, struct net_device dev,
		if (xdst->u.rt6.rt6i_idev->dev == dev) {
		struct inet6_dev *loopback_idev =
		in6_dev_get(dev_net(dev)->loopback_dev);
		BUG_ON(!loopback_idev);

		do {
		in6_dev_put(xdst->u.rt6.rt6i_idev);

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