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Date:      Fri, 3 Apr 2020 13:25:53 +0000 (UTC)
From:      Mark Johnston <markj@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org
Subject:   svn commit: r359592 - in stable/12/sys: kern sys
Message-ID:  <202004031325.033DPr1c080445@repo.freebsd.org>
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Author: markj
Date: Fri Apr  3 13:25:53 2020
New Revision: 359592
URL: https://svnweb.freebsd.org/changeset/base/359592

Log:
  MFC r359170:
  Remove UNP_NASCENT, reverting r303855.

Modified:
  stable/12/sys/kern/uipc_usrreq.c
  stable/12/sys/sys/unpcb.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/kern/uipc_usrreq.c
==============================================================================
--- stable/12/sys/kern/uipc_usrreq.c	Fri Apr  3 13:05:26 2020	(r359591)
+++ stable/12/sys/kern/uipc_usrreq.c	Fri Apr  3 13:25:53 2020	(r359592)
@@ -523,8 +523,6 @@ uipc_attach(struct socket *so, int proto, struct threa
 	unp->unp_socket = so;
 	so->so_pcb = unp;
 	unp->unp_refcount = 1;
-	if (so->so_listen != NULL)
-		unp->unp_flags |= UNP_NASCENT;
 
 	if ((locked = UNP_LINK_WOWNED()) == false)
 		UNP_LINK_WLOCK();
@@ -796,9 +794,6 @@ uipc_detach(struct socket *so)
 		UNP_PCB_UNLOCK(unp);
 		goto restart;
 	}
-	if ((unp->unp_flags & UNP_NASCENT) != 0) {
-		goto teardown;
-	}
 	if ((vp = unp->unp_vnode) != NULL) {
 		VOP_UNP_DETACH(vp);
 		unp->unp_vnode = NULL;
@@ -840,7 +835,6 @@ uipc_detach(struct socket *so)
 	freeunp = unp_pcb_rele(unp);
 	MPASS(freeunp == 0);
 	local_unp_rights = unp_rights;
-teardown:
 	unp->unp_socket->so_pcb = NULL;
 	saved_unp_addr = unp->unp_addr;
 	unp->unp_addr = NULL;
@@ -1682,7 +1676,6 @@ unp_connect2(struct socket *so, struct socket *so2, in
 
 	if (so2->so_type != so->so_type)
 		return (EPROTOTYPE);
-	unp2->unp_flags &= ~UNP_NASCENT;
 	unp->unp_conn = unp2;
 	unp_pcb_hold(unp2);
 	unp_pcb_hold(unp);

Modified: stable/12/sys/sys/unpcb.h
==============================================================================
--- stable/12/sys/sys/unpcb.h	Fri Apr  3 13:05:26 2020	(r359591)
+++ stable/12/sys/sys/unpcb.h	Fri Apr  3 13:25:53 2020	(r359592)
@@ -108,7 +108,6 @@ struct unpcb {
  */
 #define	UNP_CONNECTING			0x010	/* Currently connecting. */
 #define	UNP_BINDING			0x020	/* Currently binding. */
-#define	UNP_NASCENT			0x040	/* Newborn child socket. */
 
 /*
  * Flags in unp_gcflag.

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