X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FConsole%2FConSplitterDxe%2FConSplitter.c;h=7650ce4b6d4dbf1ab94a563b8de8540944693595;hb=0dc99784366897508ea0309df6e2a75f85662fcc;hp=78d9e9497f6d5d25094c0556c0a74c15ed939157;hpb=ea43036162630d567798bf763c80f1a1acc1d132;p=mirror_edk2.git

diff --git a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
index 78d9e9497f..7650ce4b6d 100644
--- a/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
+++ b/MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.c
@@ -3921,6 +3921,10 @@ ConSplitterTextInUnregisterKeyNotify (
     return EFI_INVALID_PARAMETER;
   }
 
+  if (((TEXT_IN_EX_SPLITTER_NOTIFY *) NotificationHandle)->Signature != TEXT_IN_EX_SPLITTER_NOTIFY_SIGNATURE) {
+    return EFI_INVALID_PARAMETER;
+  } 
+  
   Private = TEXT_IN_EX_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
 
   //