[zfs-linux/spl] c81f9a: Check the return value of VN_HOLD.

[nor...@github.com]

Branch: refs/heads/master
Home: https://github.com/zfs-linux/spl

Commit: c81f9a4bbfb8b4253fbb9ed22093d20b57370b4d
https://github.com/zfs-linux/spl/commit/c81f9a4bbfb8b4253fbb9ed22093d20b57370b4d
Author: Prasad Joshi <pra...@kqinfotech.com>
Date: 2011-02-24 (Thu, 24 Feb 2011)

Changed paths:
M module/spl/spl-vnode.c

Log Message:
-----------
Check the return value of VN_HOLD.