commit be5eafaf61974be7effff5edb783be6551292cef
author eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524> Wed Mar 19 06:42:38 2008 +0000
committer eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524> Wed Mar 19 06:42:38 2008 +0000
tree bf3af2775e4d3b250b714589d09a8519cae2de38
parent cd0510280546c68b8868de983987428b35307f15

[Description]
Duplicate the device path prior to the access to it 
[Impaction]
directly access the device path may cause an exception when the device path includes some unaligned device path nodes
[Reference Info]
In the case of ISCSI, there is a situation that the device path may consists of some unaligned device path node. it causes the unaligned exception when we access the node.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/branches/18Mar08_r4862@4915 6f19259b-4bc3-4df7-8a09-765794883524