Refine the code logic, use dynamic allocate buffer instead of static array to fix potential buffer overflow.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15829 6f19259b-4bc3-4df7-8a09-765794883524
Clean up the useless code in DriverSampleDxe.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15830 6f19259b-4bc3-4df7-8a09-765794883524
This patch is going to fix a build failure (running of GenFds) in Linux system caused by patch at r15816.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hess Chen <hesheng.chen@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15831 6f19259b-4bc3-4df7-8a09-765794883524