From 28c4cf6d5a93d588fbd7aa561fd7003b3f62c61d Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Wed, 18 Jun 2014 09:47:08 -0600
Subject: [PATCH] Raw sockets:  Various fixes for closing, free connections, TX
 from Daniel Lazo Sitzer

---
 net/socket.c       | 21 +++++++++++++++++----
 net/uip/uip_poll.c |  2 +-
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/net/socket.c b/net/socket.c
index 532e70ad84..bd63a6584c 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -164,13 +164,26 @@ int psock_socket(int domain, int type, int protocol, FAR struct socket *psock)
 #ifdef CONFIG_NET_PKT
       case SOCK_RAW:
         {
+          /* Allocate the packet socket connection structure and save
+           * in the new socket instance.
+           */
+
           struct uip_pkt_conn *conn = uip_pktalloc();
-          if (conn)
+          if (!conn)
             {
-              DEBUGASSERT(conn->crefs == 0);
-              psock->s_conn = conn;
-              conn->crefs   = 1;
+              /* Failed to reserve a connection structure */
+
+              goto errout;
             }
+
+          /* Set the reference count on the connection structure.  This
+           * reference count will be increment only if the socket is
+           * dup'ed
+           */
+
+          DEBUGASSERT(conn->crefs == 0);
+          psock->s_conn = conn;
+          conn->crefs   = 1;
         }
         break;
 #endif
diff --git a/net/uip/uip_poll.c b/net/uip/uip_poll.c
index cbd50aef60..644c1e98c8 100644
--- a/net/uip/uip_poll.c
+++ b/net/uip/uip_poll.c
@@ -85,7 +85,7 @@ static int uip_pollpktconnections(struct uip_driver_s *dev,
 
       /* Call back into the driver */
 
-      callback(dev);
+      bstop = callback(dev);
     }
 
   return bstop;