From owner-svn-src-all@freebsd.org Fri Dec 21 01:09:26 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 67B3F1337009; Fri, 21 Dec 2018 01:09:26 +0000 (UTC) (envelope-from mckusick@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0EB67769E7; Fri, 21 Dec 2018 01:09:26 +0000 (UTC) (envelope-from mckusick@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 028C85FB2; Fri, 21 Dec 2018 01:09:26 +0000 (UTC) (envelope-from mckusick@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wBL19PvB089270; Fri, 21 Dec 2018 01:09:25 GMT (envelope-from mckusick@FreeBSD.org) Received: (from mckusick@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wBL19PmY089269; Fri, 21 Dec 2018 01:09:25 GMT (envelope-from mckusick@FreeBSD.org) Message-Id: <201812210109.wBL19PmY089269@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mckusick set sender to mckusick@FreeBSD.org using -f From: Kirk McKusick Date: Fri, 21 Dec 2018 01:09:25 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r342290 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: mckusick X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 342290 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 0EB67769E7 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.955,0]; NEURAL_HAM_LONG(-1.00)[-0.999,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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: Fri, 21 Dec 2018 01:09:26 -0000 Author: mckusick Date: Fri Dec 21 01:09:25 2018 New Revision: 342290 URL: https://svnweb.freebsd.org/changeset/base/342290 Log: Some filesystems (like cd9660 and ext3) require that VFS_STATFS() be called before VFS_ROOT() is called. Move the call for VFS_STATFS() so that it is done after VFS_MOUNT(), but before VFS_ROOT(). This change actually improves the robustness of the mount system call because it returns an error rather than failing silently when VFS_STATFS() returns failure. Reported by: Rebecca Cran Sponsored by: Netflix Modified: head/sys/kern/vfs_mount.c Modified: head/sys/kern/vfs_mount.c ============================================================================== --- head/sys/kern/vfs_mount.c Thu Dec 20 22:39:58 2018 (r342289) +++ head/sys/kern/vfs_mount.c Fri Dec 21 01:09:25 2018 (r342290) @@ -895,6 +895,7 @@ vfs_domount_first( */ error1 = 0; if ((error = VFS_MOUNT(mp)) != 0 || + (error1 = VFS_STATFS(mp, &mp->mnt_stat)) != 0 || (error1 = VFS_ROOT(mp, LK_EXCLUSIVE, &newdp)) != 0) { if (error1 != 0) { error = error1; @@ -916,7 +917,6 @@ vfs_domount_first( vfs_freeopts(mp->mnt_opt); mp->mnt_opt = mp->mnt_optnew; *optlist = NULL; - (void)VFS_STATFS(mp, &mp->mnt_stat); /* * Prevent external consumers of mount options from reading mnt_optnew.