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Date:      Fri, 8 Mar 2013 08:09:26 +0000 (UTC)
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject:   svn commit: r248029 - stable/9/sys/kern
Message-ID:  <201303080809.r2889QLB014012@svn.freebsd.org>

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Author: kib
Date: Fri Mar  8 08:09:26 2013
New Revision: 248029
URL: http://svnweb.freebsd.org/changeset/base/248029

Log:
  MFC r247560:
  Make the default implementation of the VOP_VPTOCNP() fail if the
  directory entry, matched by the inode number, is ".".

Modified:
  stable/9/sys/kern/vfs_default.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/kern/vfs_default.c
==============================================================================
--- stable/9/sys/kern/vfs_default.c	Fri Mar  8 03:29:05 2013	(r248028)
+++ stable/9/sys/kern/vfs_default.c	Fri Mar  8 08:09:26 2013	(r248029)
@@ -856,8 +856,12 @@ vop_stdvptocnp(struct vop_vptocnp_args *
 				error = ENOMEM;
 				goto out;
 			}
-			bcopy(dp->d_name, buf + i, dp->d_namlen);
-			error = 0;
+			if (dp->d_namlen == 1 && dp->d_name[0] == '.') {
+				error = ENOENT;
+			} else {
+				bcopy(dp->d_name, buf + i, dp->d_namlen);
+				error = 0;
+			}
 			goto out;
 		}
 	} while (len > 0 || !eofflag);



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