[PATCH net-next] xdp: sample: Missing curly braces in read_route()

[Dan Carpenter]

The assert statement is supposed to be part of the else branch but the
curly braces were accidentally left off.

Fixes: 3e29cd0e6563 ("xdp: Sample xdp program implementing ip forward")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/samples/bpf/xdp_router_ipv4_user.c 
b/samples/bpf/xdp_router_ipv4_user.c
index 2c1fe3f4b1a4..916462112d55 100644
--- a/samples/bpf/xdp_router_ipv4_user.c
+++ b/samples/bpf/xdp_router_ipv4_user.c
@@ -206,12 +206,13 @@ static void read_route(struct nlmsghdr *nh, int nll)
                        direct_entry.arp.mac = 0;
                        direct_entry.arp.dst = 0;
                        if (route.dst_len == 32) {
-                               if (nh->nlmsg_type == RTM_DELROUTE)
+                               if (nh->nlmsg_type == RTM_DELROUTE) {
                                        assert(bpf_map_delete_elem(map_fd[3], 
&route.dst) == 0);
-                               else
+                               } else {
                                        if (bpf_map_lookup_elem(map_fd[2], 
&route.dst, &direct_entry.arp.mac) == 0)
                                                direct_entry.arp.dst = 
route.dst;
                                        assert(bpf_map_update_elem(map_fd[3], 
&route.dst, &direct_entry, 0) == 0);
+                               }
                        }
                        for (i = 0; i < 4; i++)
                                prefix_key->data[i] = (route.dst >> i * 8) & 
0xff;