From owner-svn-src-all@FreeBSD.ORG Sun Dec 28 18:53:18 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 36D8990A; Sun, 28 Dec 2014 18:53:18 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 21E3E2F6E; Sun, 28 Dec 2014 18:53:18 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sBSIrI87013678; Sun, 28 Dec 2014 18:53:18 GMT (envelope-from marcel@FreeBSD.org) Received: (from marcel@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id sBSIrH9U013677; Sun, 28 Dec 2014 18:53:17 GMT (envelope-from marcel@FreeBSD.org) Message-Id: <201412281853.sBSIrH9U013677@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: marcel set sender to marcel@FreeBSD.org using -f From: Marcel Moolenaar Date: Sun, 28 Dec 2014 18:53:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r276338 - stable/10/sys/kern X-SVN-Group: stable-10 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Dec 2014 18:53:18 -0000 Author: marcel Date: Sun Dec 28 18:53:16 2014 New Revision: 276338 URL: https://svnweb.freebsd.org/changeset/base/276338 Log: MFC r269126 & 272786: Don't return ERESTART when the device is gone. Modified: stable/10/sys/kern/tty.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/kern/tty.c ============================================================================== --- stable/10/sys/kern/tty.c Sun Dec 28 18:43:39 2014 (r276337) +++ stable/10/sys/kern/tty.c Sun Dec 28 18:53:16 2014 (r276338) @@ -1391,14 +1391,14 @@ tty_wait(struct tty *tp, struct cv *cv) error = cv_wait_sig(cv, tp->t_mtx); - /* Restart the system call when we may have been revoked. */ - if (tp->t_revokecnt != revokecnt) - return (ERESTART); - /* Bail out when the device slipped away. */ if (tty_gone(tp)) return (ENXIO); + /* Restart the system call when we may have been revoked. */ + if (tp->t_revokecnt != revokecnt) + return (ERESTART); + return (error); } @@ -1413,14 +1413,14 @@ tty_timedwait(struct tty *tp, struct cv error = cv_timedwait_sig(cv, tp->t_mtx, hz); - /* Restart the system call when we may have been revoked. */ - if (tp->t_revokecnt != revokecnt) - return (ERESTART); - /* Bail out when the device slipped away. */ if (tty_gone(tp)) return (ENXIO); + /* Restart the system call when we may have been revoked. */ + if (tp->t_revokecnt != revokecnt) + return (ERESTART); + return (error); }