From: Bi, Dandan <dandan.bi@intel.com>
Date: Fri, 9 Feb 2018 03:10:11 +0000 (+0800)
Subject: ShellPkg/Dp: Add null pointer check
X-Git-Tag: edk2-stable201903~2404
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=2d70c90d2e8bf4405c5c16c0c7ea5b2446d1517a

ShellPkg/Dp: Add null pointer check

Cc: Liming Gao <liming.gao@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
---

diff --git a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
index fafc64fe2d..4dd7dd9ed1 100644
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
@@ -257,7 +257,7 @@ GetBootPerformanceTable (
                &AcpiTable
                  );
   }
-  if (EFI_ERROR(Status)) {
+  if (EFI_ERROR(Status) || AcpiTable == NULL) {
     return Status;
   }