tcp_westwood: fix tcp_westwood_info()

I forgot to update tcp_westwood when changing get_info() behavior,
this patch should fix this.

Fixes: 64f40ff5bbdb ("tcp: prepare CC get_info() access from getsockopt()")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 7 deletions

diff --git a/net/ipv4/tcp_westwood.c b/net/ipv4/tcp_westwood.c
index b3c57cceb990..c10732e39837 100644
--- a/net/ipv4/tcp_westwood.c
+++ b/net/ipv4/tcp_westwood.c
@@ -256,18 +256,19 @@ static void tcp_westwood_event(struct sock *sk, enum tcp_ca_event event)
 }
 
 /* Extract info for Tcp socket info provided via netlink. */
-static int tcp_westwood_info(struct sock *sk, u32 ext, struct sk_buff *skb)
+static size_t tcp_westwood_info(struct sock *sk, u32 ext, int *attr,
+                                union tcp_cc_info *info)
 {
         const struct westwood *ca = inet_csk_ca(sk);
 
         if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
-                struct tcpvegas_info info = {
-                        .tcpv_enabled = 1,
-                        .tcpv_rtt = jiffies_to_usecs(ca->rtt),
-                        .tcpv_minrtt = jiffies_to_usecs(ca->rtt_min),
-                };
+                info->vegas.tcpv_enabled = 1;
+                info->vegas.tcpv_rttcnt = 0;
+                info->vegas.tcpv_rtt    = jiffies_to_usecs(ca->rtt),
+                info->vegas.tcpv_minrtt = jiffies_to_usecs(ca->rtt_min),
 
-                return nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info);
+                *attr = INET_DIAG_VEGASINFO;
+                return sizeof(struct tcpvegas_info);
         }
         return 0;
 }