X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FNetwork%2FIp4Dxe%2FIp4Impl.c;h=6a26143e307d3e4effe40bc1f190fb0833afd3d0;hb=3028d73e5a4073841fdfc94b1e984c92e8e8fa7a;hp=b5cd7b7d393202364999fe3a3d45340664bc4a63;hpb=018432f0ce1b42541977f61f9c7607257a4bf43a;p=mirror_edk2.git

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
index b5cd7b7d39..6a26143e30 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
@@ -1048,8 +1048,8 @@ Ip4Groups (
   // is decreamented each time an address is removed..
   //
   for (Index = IpInstance->GroupCount; Index > 0 ; Index--) {
+    ASSERT (IpInstance->Groups != NULL);
     Group = IpInstance->Groups[Index - 1];
-
     if ((GroupAddress == NULL) || EFI_IP4_EQUAL (&Group, GroupAddress)) {
       if (EFI_ERROR (Ip4LeaveGroup (IpInstance, NTOHL (Group)))) {
         return EFI_DEVICE_ERROR;