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authorXu Jia <xujia39@huawei.com>2021-04-01 11:22:23 +0800
committerDavid S. Miller <davem@davemloft.net>2021-04-01 15:45:26 -0700
commitb7a320c3a1ecb20d24173b668288441dbb7fe7dd (patch)
tree917fba46db667821ea9cd8d45f9fd0a0bee58b9c /net/ipv6/route.c
parenttipc: fix unique bearer names sanity check (diff)
downloadlinux-dev-b7a320c3a1ecb20d24173b668288441dbb7fe7dd.tar.xz
linux-dev-b7a320c3a1ecb20d24173b668288441dbb7fe7dd.zip
net: ipv6: Refactor in rt6_age_examine_exception
The logic in rt6_age_examine_exception is confusing. The commit is to refactor the code. Signed-off-by: Xu Jia <xujia39@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d99dd4d36252..28801ae80548 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2085,13 +2085,10 @@ static void rt6_age_examine_exception(struct rt6_exception_bucket *bucket,
if (rt->rt6i_flags & RTF_GATEWAY) {
struct neighbour *neigh;
- __u8 neigh_flags = 0;
neigh = __ipv6_neigh_lookup_noref(rt->dst.dev, &rt->rt6i_gateway);
- if (neigh)
- neigh_flags = neigh->flags;
- if (!(neigh_flags & NTF_ROUTER)) {
+ if (!(neigh && (neigh->flags & NTF_ROUTER))) {
RT6_TRACE("purging route %p via non-router but gateway\n",
rt);
rt6_remove_exception(bucket, rt6_ex);