1 files changed, 5 insertions, 1 deletions
diff --git a/lwip/io-ops.c b/lwip/io-ops.c
index 89d596a49..2e666ab2e 100644
--- a/lwip/io-ops.c
+++ b/lwip/io-ops.c
@@ -317,7 +317,11 @@ lwip_S_io_reauthenticate (struct sock_user * user, mach_port_t rend)
   aux_uids = aubuf;
   aux_gids = agbuf;
 
-  newuser = make_sock_user (user->sock, 0, 1, 0);
+  do
+    newuser = make_sock_user (user->sock, 0, 1, 0);
+  while (!newuser && errno == EINTR);
+  if (!newuser)
+    return 0;
 
   auth = getauth ();
   newright = ports_get_send_right (newuser);