Author: kib
Date: Wed May 29 13:47:10 2019
New Revision: 348358
URL: https://svnweb.freebsd.org/changeset/base/348358

Log:
  MFC r348052:
  NDFREE(): Fix unlocking for LOCKPARENT|LOCKLEAF and ndp->ni_dvp == ndp->ni_vp.

Modified:
  stable/12/sys/kern/vfs_lookup.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/kern/vfs_lookup.c
==============================================================================
--- stable/12/sys/kern/vfs_lookup.c     Wed May 29 13:33:29 2019        
(r348357)
+++ stable/12/sys/kern/vfs_lookup.c     Wed May 29 13:47:10 2019        
(r348358)
@@ -1282,6 +1282,10 @@ NDFREE(struct nameidata *ndp, const u_int flags)
        if (!(flags & NDF_NO_VP_UNLOCK) &&
            (ndp->ni_cnd.cn_flags & LOCKLEAF) && ndp->ni_vp)
                unlock_vp = 1;
+       if (!(flags & NDF_NO_DVP_UNLOCK) &&
+           (ndp->ni_cnd.cn_flags & LOCKPARENT) &&
+           ndp->ni_dvp != ndp->ni_vp)
+               unlock_dvp = 1;
        if (!(flags & NDF_NO_VP_RELE) && ndp->ni_vp) {
                if (unlock_vp) {
                        vput(ndp->ni_vp);
@@ -1292,10 +1296,6 @@ NDFREE(struct nameidata *ndp, const u_int flags)
        }
        if (unlock_vp)
                VOP_UNLOCK(ndp->ni_vp, 0);
-       if (!(flags & NDF_NO_DVP_UNLOCK) &&
-           (ndp->ni_cnd.cn_flags & LOCKPARENT) &&
-           ndp->ni_dvp != ndp->ni_vp)
-               unlock_dvp = 1;
        if (!(flags & NDF_NO_DVP_RELE) &&
            (ndp->ni_cnd.cn_flags & (LOCKPARENT|WANTPARENT))) {
                if (unlock_dvp) {
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