From owner-dev-commits-src-branches@freebsd.org Thu Mar 4 19:25:06 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 1919255670B; Thu, 4 Mar 2021 19:25:06 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Ds1692TMPz4kdC; Thu, 4 Mar 2021 19:25:05 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3112D22A62; Thu, 4 Mar 2021 19:25:03 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 124JP2JR088020; Thu, 4 Mar 2021 19:25:02 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 124JP2X7088019; Thu, 4 Mar 2021 19:25:02 GMT (envelope-from git) Date: Thu, 4 Mar 2021 19:25:02 GMT Message-Id: <202103041925.124JP2X7088019@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: 68230041eb29 - stable/13 - Add nameicap_cleanup_from(), to clean tracker list starting from some element MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 68230041eb292f26132c73de9369e695ab6ada6e Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Mar 2021 19:25:08 -0000 The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=68230041eb292f26132c73de9369e695ab6ada6e commit 68230041eb292f26132c73de9369e695ab6ada6e Author: Konstantin Belousov AuthorDate: 2021-02-28 00:14:43 +0000 Commit: Konstantin Belousov CommitDate: 2021-03-04 19:11:05 +0000 Add nameicap_cleanup_from(), to clean tracker list starting from some element (cherry picked from commit e8a2862aa0384c75603f801625e309a3dae0ed05) --- sys/kern/vfs_lookup.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c index cdd4a914239f..abc01c73e24c 100644 --- a/sys/kern/vfs_lookup.c +++ b/sys/kern/vfs_lookup.c @@ -192,19 +192,26 @@ nameicap_tracker_add(struct nameidata *ndp, struct vnode *dp) } static void -nameicap_cleanup(struct nameidata *ndp) +nameicap_cleanup_from(struct nameidata *ndp, struct nameicap_tracker *first) { struct nameicap_tracker *nt, *nt1; - KASSERT(TAILQ_EMPTY(&ndp->ni_cap_tracker) || - (ndp->ni_lcf & NI_LCF_CAP_DOTDOT) != 0, ("not strictrelative")); - TAILQ_FOREACH_SAFE(nt, &ndp->ni_cap_tracker, nm_link, nt1) { + nt = first; + TAILQ_FOREACH_FROM_SAFE(nt, &ndp->ni_cap_tracker, nm_link, nt1) { TAILQ_REMOVE(&ndp->ni_cap_tracker, nt, nm_link); vdrop(nt->dp); free(nt, M_NAMEITRACKER); } } +static void +nameicap_cleanup(struct nameidata *ndp) +{ + KASSERT(TAILQ_EMPTY(&ndp->ni_cap_tracker) || + (ndp->ni_lcf & NI_LCF_CAP_DOTDOT) != 0, ("not strictrelative")); + nameicap_cleanup_from(ndp, NULL); +} + /* * For dotdot lookups in capability mode, only allow the component * lookup to succeed if the resulting directory was already traversed