diff options
-rw-r--r-- | MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c index 66c8f4ad6a..d888e18e4c 100644 --- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c +++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Input.c @@ -292,7 +292,7 @@ Ip4Reassemble ( // check whether THIS.Start < PREV.End for overlap. If two fragments
// overlaps, trim the overlapped part off THIS fragment.
//
- if ((Prev = Cur->ForwardLink) != Head) {
+ if ((Cur != Head) && ((Prev = Cur->BackLink) != Head)) {
Fragment = NET_LIST_USER_STRUCT (Prev, NET_BUF, List);
Node = IP4_GET_CLIP_INFO (Fragment);
|