Sync patch r14695 from main trunk.
MdeModulePkg/NvmExpressDxe: Fix an issue of potential uninitialized local variable.


git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14696 6f19259b-4bc3-4df7-8a09-765794883524
Sync patch r14694 from main trunk.
Add missing comments for function parameters.


git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14697 6f19259b-4bc3-4df7-8a09-765794883524
Sync patch r14682 from main trunk.
Fix a bug in Ip4 driver that Ip4.Transmit() interface may return EFI_INVALID_PARAMETER without restore TPL.


git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14698 6f19259b-4bc3-4df7-8a09-765794883524