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 fafc64fe2d950902936f91e396798e8ece8e9922..4dd7dd9ed11e360d0758761abbe319c7f04f3f62 100644 (file)
--- a/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
+++ b/ShellPkg/DynamicCommand/DpDynamicCommand/Dp.c
@@ -257,7 +257,7 @@ GetBootPerformanceTable (
                &AcpiTable\r
                  );\r
   }\r
                &AcpiTable\r
                  );\r
   }\r

-  if (EFI_ERROR(Status)) {\r
+  if (EFI_ERROR(Status) || AcpiTable == NULL) {\r

     return Status;\r
   }\r
 \r
     return Status;\r
   }\r
 \r