Add ASSERT to check if NewVariable is NULL.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Elvin Li <elvin.li@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15407 6f19259b-4bc3-4df7-8a09-765794883524
Add NULL pointer check in I2chost.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Elvin Li <elvin.li@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15408 6f19259b-4bc3-4df7-8a09-765794883524
SecurityPkg Variable: Add NULL pointer check.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Guo Dong <guo.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15409 6f19259b-4bc3-4df7-8a09-765794883524
Add check to avoid null pointer deference.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15410 6f19259b-4bc3-4df7-8a09-765794883524
Check the input file pointer before use it.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Guo, Dong <guo.dong@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15412 6f19259b-4bc3-4df7-8a09-765794883524