Date: Thu, 4 Mar 2021 19:25:02 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 68230041eb29 - stable/13 - Add nameicap_cleanup_from(), to clean tracker list starting from some element Message-ID: <202103041925.124JP2X7088019@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=68230041eb292f26132c73de9369e695ab6ada6e commit 68230041eb292f26132c73de9369e695ab6ada6e Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-02-28 00:14:43 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> 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
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