X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fsal%2Fapi%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fpacket%2FICMP.java;h=b2a1cfe8c2824b8bfab8a4b737d949e9d67df446;hp=5075e58281132a4404ab8473be01e05ea5305115;hb=92d65efa7b1f42cc0f24546c3b33c28159197176;hpb=b8bb7db7c6133e00046e85ead70426eb1e05184d

diff --git a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/ICMP.java b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/ICMP.java
index 5075e58281..b2a1cfe8c2 100644
--- a/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/ICMP.java
+++ b/opendaylight/sal/api/src/main/java/org/opendaylight/controller/sal/packet/ICMP.java
@@ -147,10 +147,11 @@ public class ICMP extends Packet {
     short computeChecksum(byte[] data, int start) {
         int sum = 0, carry = 0, finalSum = 0;
         int wordData;
-        int end = start + this.getHeaderSize() / NetUtils.NumBitsInAByte
-                + rawPayload.length;
-        int checksumStartByte = start + getfieldOffset(CHECKSUM)
-                / NetUtils.NumBitsInAByte;
+        int end = start + this.getHeaderSize() / NetUtils.NumBitsInAByte;
+        if (rawPayload != null) {
+            end += rawPayload.length;
+        }
+        int checksumStartByte = start + getfieldOffset(CHECKSUM) / NetUtils.NumBitsInAByte;
 
         for (int i = start; i <= (end - 1); i = i + 2) {
             // Skip, if the current bytes are checkSum bytes