commit ce9113bbcbf45a57c082d6603b9a9f342be3ef74
author Rui Wang <rui.y.wang@intel.com> Fri Jan 08 23:09:59 2016 +0800
committer Miklos Szeredi <miklos@szeredi.hu> Thu Mar 03 17:17:45 2016 +0100
tree 180a7f5fa4eef7bcd051bae41c877c72b7eb8d18
parent b5891cfab08fe3144a616e8e734df7749fb3b7d0

ovl: fix getcwd() failure after unsuccessful rmdir

ovl_remove_upper() should do d_drop() only after it successfully
removes the dir, otherwise a subsequent getcwd() system call will
fail, breaking userspace programs.

This is to fix: https://bugzilla.kernel.org/show_bug.cgi?id=110491

Signed-off-by: Rui Wang <rui.y.wang@intel.com>
Reviewed-by: Konstantin Khlebnikov <koct9i@gmail.com>
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: <stable@vger.kernel.org>