fanwang2 b1d4218a51 MdeModulePkg: Code logic optimization for Ip4Dxe driver
Move null check before set value to address to avoid null address dereferenced.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: fanwang2 <fan.wang@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17924 6f19259b-4bc3-4df7-8a09-765794883524
2015-07-10 09:01:42 +00:00
2015-07-06 16:53:37 +00:00
2014-10-14 16:08:15 +00:00
2014-10-14 16:08:15 +00:00
2015-06-16 07:23:45 +00:00
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