From 7c17e16fea391d3f5972ae9042b2f27bdd7a9bc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Mon, 9 Sep 2019 16:13:16 +0000
Subject: [PATCH] Block on sendmsg and revert 4a68866
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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
---
 mud        |  2 +-
 src/bind.c | 13 +++----------
 2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/mud b/mud
index 6623be1..2c9d971 160000
--- a/mud
+++ b/mud
@@ -1 +1 @@
-Subproject commit 6623be1e6928576775f5db3de1b5a47344d03cdb
+Subproject commit 2c9d9714379b21a8c2107bed6ab2bf25d9ddf4e6
diff --git a/src/bind.c b/src/bind.c
index ae4d1c4..77f4941 100644
--- a/src/bind.c
+++ b/src/bind.c
@@ -249,17 +249,10 @@ gt_bind(int argc, char **argv)
         }
 
         if (FD_ISSET(mud_fd, &rfds))  {
-            int n = 1000;
+            const int r = mud_recv(mud, buf, sizeof(buf));
 
-            while (n--) {
-                const int r = mud_recv(mud, buf, sizeof(buf));
-
-                if (r <= 0)
-                    break;
-
-                if (ip_is_valid(buf, r))
-                    tun_write(tun_fd, buf, (size_t)r);
-            }
+            if (r > 0 && ip_is_valid(buf, r))
+                tun_write(tun_fd, buf, (size_t)r);
         }
 
         if (FD_ISSET(ctl_fd, &rfds)) {