// them. Tag each fragment other than the first one as spawn from it.\r
//\r
Mtu = IpSb->SnpMode.MaxPacketSize;\r
- HeadLen = sizeof (IP4_HEAD) + (OptLen + 3) &~0x03;\r
+ HeadLen = sizeof (IP4_HEAD) + ((OptLen + 3) & (~0x03));\r
Head->Id = mIp4Id++;\r
\r
if (Packet->TotalSize + HeadLen > Mtu) {\r