netdev - [PATCH net-next] xdp: sample: Missing curly braces in read

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Date:   Tue, 14 Nov 2017 09:12:03 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Christina Jacob <Christina.Jacob@...ium.com>
Cc:     Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH net-next] xdp: sample: Missing curly braces in read_route()

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.carpenter@...cle.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;