git: 59e749428111 - main - Do not call nameicap_tracker_add() for dotdot case.

[Konstantin Belousov]

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=59e749428111c029116a4302a544c7cc18b33772

commit 59e749428111c029116a4302a544c7cc18b33772
Author:     Konstantin Belousov <kib at FreeBSD.org>
AuthorDate: 2021-02-28 00:12:43 +0000
Commit:     Konstantin Belousov <kib at FreeBSD.org>
CommitDate: 2021-03-02 18:21:14 +0000

    Do not call nameicap_tracker_add() for dotdot case.
    
    Reviewed by:    markj
    Tested by:      arichardson, pho
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D28907
---
 sys/kern/vfs_lookup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c
index 4ddd7b63ce5c..73290e8da05f 100644
--- a/sys/kern/vfs_lookup.c
+++ b/sys/kern/vfs_lookup.c
@@ -1258,7 +1258,8 @@ success:
 		}
 	}
 	if (ndp->ni_vp != NULL) {
-		nameicap_tracker_add(ndp, ndp->ni_vp);
+		if ((cnp->cn_flags & ISDOTDOT) == 0)
+			nameicap_tracker_add(ndp, ndp->ni_vp);
 		if ((cnp->cn_flags & (FAILIFEXISTS | ISSYMLINK)) == FAILIFEXISTS)
 			goto bad_eexist;
 	}