Fix a bug in IP driver that the fragment overlap check may be skipped incorrectly.
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye, Ting <ting.ye@intel.com>
Reviewed-by: Jin, Eric <eric.jin@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15443 6f19259b-4bc3-4df7-8a09-765794883524
Check the pointer before use it.

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

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15445 6f19259b-4bc3-4df7-8a09-765794883524
MdeModulePkg/UsbMassStorage: Don't send READ_CAPACITY to unsupported usb mass storage type device.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Tian, Feng <feng.tian@intel.com>
Reviewed-by: Zeng, Star <star.zeng@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15447 6f19259b-4bc3-4df7-8a09-765794883524