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authorLi RongQing <lirongqing@baidu.com>2018-11-12 17:28:22 +0800
committerSteffen Klassert <steffen.klassert@secunet.com>2018-11-22 07:55:48 +0100
commit3fcccec008cf095ac61018cfce0e4bb76edddb5b (patch)
treea308639519a0f1aa8d165c0e0b1c9a7321135ad7
parent39aa6928d462d0f4fd809ff8109f98f24843b28b (diff)
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>
-rw-r--r--net/ipv6/xfrm6_policy.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index d35bcf92969c..769f8f78d3b8 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -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);