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From: Mateusz Guzik <mjg@FreeBSD.org>
Date: Thu, 27 Aug 2020 06:30:40 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r364856 - head/sys/kern
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Author: mjg
Date: Thu Aug 27 06:30:40 2020
New Revision: 364856
URL: https://svnweb.freebsd.org/changeset/base/364856

Log:
  cache: ncp = NULL early to account for sdt probes in ailure path
  
  CID:	1432106

Modified:
  head/sys/kern/vfs_cache.c

Modified: head/sys/kern/vfs_cache.c
==============================================================================
--- head/sys/kern/vfs_cache.c	Thu Aug 27 05:11:15 2020	(r364855)
+++ head/sys/kern/vfs_cache.c	Thu Aug 27 06:30:40 2020	(r364856)
@@ -2938,6 +2938,7 @@ vn_fullpath_any_smr(struct vnode *vp, struct vnode *rd
 	i = 0;
 #endif
 	error = -1;
+	ncp = NULL; /* for sdt probe down below */
 	vp_seqc = vn_seqc_read_any(vp);
 	if (seqc_in_modify(vp_seqc)) {
 		cache_rev_failed(&reason);