[PATCH v3 0/3] Remove unnecessary NULL pointer check.

[Jiaxin Wu <Jiaxin.wu@intel.com>]

v3: Updated the first patch to check the instance token.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1469

Since the value retrieved from the list Entry can't be the NULL
pointer, the unnecessary check can be removed.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Wu Hao A <hao.a.wu@intel.com>
Cc: Gao Liming <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com

Jiaxin Wu (3):
  MdeModulePkg/Dhcp4Dxe: Remove unnecessary NULL pointer check.
  NetworkPkg/IScsiDxe: Remove unnecessary NULL pointer check.
  NetworkPkg/DnsDxe: Remove unnecessary NULL pointer check.

 MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Io.c      | 11 ++++------
 NetworkPkg/DnsDxe/DnsDriver.c                          | 22 ++++++++-----------
 NetworkPkg/IScsiDxe/IScsiConfig.c                      |  6 +----
 3 files changed, 14 insertions(+), 25 deletions(-)

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2.17.1.windows.2