[PATCH 3.18.y] Fix compilation error backporting upstream commit 9fc12023d6f5

[Lorenzo Bianconi]

Fix following compilation error backporting upstream commit
9fc12023d6f5 ("ipv4: remove BUG_ON() from fib_compute_spec_dst)

net/ipv4/fib_frontend.c: In function 'fib_compute_spec_dst':
net/ipv4/fib_frontend.c:225:3: error: expected expression before 'if'
   if (!fib_lookup(net, &fl4, &res))

net/ipv4/fib_frontend.c:200:20: warning: unused variable 'res'
  struct fib_result res;

Fixes: 0e46da6c6fac ("ipv4: remove BUG_ON() from fib_compute_spec_dst")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianc...@redhat.com>
---
 net/ipv4/fib_frontend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 924db4bedd88..0b29649627a7 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -221,7 +221,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb)
                fl4.saddr = 0;
                fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos);
                fl4.flowi4_scope = scope;
-               fl4.flowi4_mark = vmark ? skb->mark : 0,
+               fl4.flowi4_mark = vmark ? skb->mark : 0;
                if (!fib_lookup(net, &fl4, &res))
                        return FIB_RES_PREFSRC(net, res);
        } else {
-- 
2.18.0