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From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Tue, 7 Oct 2014 15:12:06 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject: svn commit: r272704 - projects/sendfile/sys/kern
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Author: glebius
Date: Tue Oct  7 15:12:06 2014
New Revision: 272704
URL: https://svnweb.freebsd.org/changeset/base/272704

Log:
  uipc_ready() should not honor SBS_CANTRCVMORE. We already put the
  data in the peer's receive buffer.
  
  Sponsored by:	Netflix
  Sponsored by:	Nginx, Inc.

Modified:
  projects/sendfile/sys/kern/uipc_usrreq.c

Modified: projects/sendfile/sys/kern/uipc_usrreq.c
==============================================================================
--- projects/sendfile/sys/kern/uipc_usrreq.c	Tue Oct  7 14:34:41 2014	(r272703)
+++ projects/sendfile/sys/kern/uipc_usrreq.c	Tue Oct  7 15:12:06 2014	(r272704)
@@ -1062,10 +1062,7 @@ uipc_ready(struct socket *so, struct mbu
 	so2 = unp2->unp_socket;
 
 	SOCKBUF_LOCK(&so2->so_rcv);
-	if (so2->so_rcv.sb_state & SBS_CANTRCVMORE) {
-		SOCKBUF_UNLOCK(&so2->so_rcv);
-		error = ENOTCONN;
-	} else if ((error = sbready(&so2->so_rcv, m, count)) == 0)
+	if ((error = sbready(&so2->so_rcv, m, count)) == 0)
 		sorwakeup_locked(so2);
 	else
 		SOCKBUF_UNLOCK(&so2->so_rcv);