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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-02-28 00:14:43 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-03-02 18:21:30 +0000 |
| commit | e8a2862aa0384c75603f801625e309a3dae0ed05 (patch) | |
| tree | 8fa8b773347fc52b0173ab954acacac3420fadff | |
| parent | 2388ad7c293fbc89ee239a1adcb87fd158c4e8e9 (diff) | |
| download | src-e8a2862aa0384c75603f801625e309a3dae0ed05.tar.gz src-e8a2862aa0384c75603f801625e309a3dae0ed05.zip | |
Add nameicap_cleanup_from(), to clean tracker list starting from some element
Reviewed by: markj
Tested by: arichardson, pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D28907
| -rw-r--r-- | sys/kern/vfs_lookup.c | 15 |
1 files 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 |