Merge tag 'drm/tegra/for-5.5-rc1-fixes' of git://anongit.freedesktop.org/tegra/linux...

[linux.git] / net / core / sock_reuseport.c

diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index 9408f9264d052298a4eb85e0fb232c89af533e5c..f3ceec93f3923d864bde1aba9c26d9b6bfe1f97e 100644 (file)
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -295,8 +295,19 @@ struct sock *reuseport_select_sock(struct sock *sk,
 
 select_by_hash:
                /* no bpf or invalid bpf result: fall back to hash usage */
-               if (!sk2)
-                       sk2 = reuse->socks[reciprocal_scale(hash, socks)];
+               if (!sk2) {
+                       int i, j;
+
+                       i = j = reciprocal_scale(hash, socks);
+                       while (reuse->socks[i]->sk_state == TCP_ESTABLISHED) {
+                               i++;
+                               if (i >= reuse->num_socks)
+                                       i = 0;
+                               if (i == j)
+                                       goto out;
+                       }
+                       sk2 = reuse->socks[i];
+               }
        }
 
 out: