commit 6ffd903415320d68a528865296e4740da350785e
author David Ahern <dsahern@gmail.com> Thu May 25 10:42:37 2017 -0700
committer David S. Miller <davem@davemloft.net> Fri May 26 14:12:50 2017 -0400
tree 314ab6766dd04828b5b0224d973ddf2d57afc7b3
parent 3765d35ed8b9363cbf72ffe2282002d717a40843

net: ipv4: Save trie prefix to fib lookup result

Prefix is needed for returning matching route spec on get route request.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/fib_trie.c

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 6d0f6c79..6e9df7d 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1452,6 +1452,7 @@ int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
 			if (!(fib_flags & FIB_LOOKUP_NOREF))
 				atomic_inc(&fi->fib_clntref);
 
+			res->prefix = htonl(n->key);
 			res->prefixlen = KEYLENGTH - fa->fa_slen;
 			res->nh_sel = nhsel;
 			res->type = fa->fa_type;