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net: ipv4: Fix rtnexthop len when RTA_FLOW is present

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[ Upstream commit 597aa16c782496bf74c5dc3b45ff472ade6cee64 ]

Multipath RTA_FLOW is embedded in nexthop. Dump it in fib_add_nexthop()
to get the length of rtnexthop correct.

Fixes: b0f6019363 ("ipv4: Refactor nexthop attributes in fib_dump_info")
Signed-off-by: Xiao Liang <shaw.leon@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiao Liang
2021-09-23 23:03:19 +08:00
committed by Greg Kroah-Hartman
parent b22c5e2c8e
commit 8de12ad916
4 changed files with 14 additions and 11 deletions
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2
include/net/ip_fib.h
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@@ -553,5 +553,5 @@ int ip_valid_fib_dump_req(struct net *net, const struct nlmsghdr *nlh,
int fib_nexthop_info(struct sk_buff *skb, const struct fib_nh_common *nh,
u8 rt_family, unsigned char *flags, bool skip_oif);
int fib_add_nexthop(struct sk_buff *skb, const struct fib_nh_common *nh,
int nh_weight, u8 rt_family);
int nh_weight, u8 rt_family, u32 nh_tclassid);
#endif /* _NET_FIB_H */