Date: Thu, 4 Mar 2021 19:25:01 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: 11c6aa5c504d - stable/13 - nameicap_tracker_add: avoid duplicates in the tracker list Message-ID: <202103041925.124JP18S087997@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=11c6aa5c504d76e50dcd9481020c0f350ce0bb00 commit 11c6aa5c504d76e50dcd9481020c0f350ce0bb00 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-02-28 00:13:19 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-03-04 19:11:00 +0000 nameicap_tracker_add: avoid duplicates in the tracker list (cherry picked from commit 2388ad7c293fbc89ee239a1adcb87fd158c4e8e9) --- sys/kern/vfs_lookup.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c index 73290e8da05f..cdd4a914239f 100644 --- a/sys/kern/vfs_lookup.c +++ b/sys/kern/vfs_lookup.c @@ -182,6 +182,9 @@ nameicap_tracker_add(struct nameidata *ndp, struct vnode *dp) if ((ndp->ni_lcf & NI_LCF_CAP_DOTDOT) == 0 || dp->v_type != VDIR) return; cnp = &ndp->ni_cnd; + nt = TAILQ_LAST(&ndp->ni_cap_tracker, nameicap_tracker_head); + if (nt != NULL && nt->dp == dp) + return; nt = malloc(sizeof(*nt), M_NAMEITRACKER, M_WAITOK); vhold(dp); nt->dp = dp;
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