Don't subtract the UDP header size from the length twice.

diff --git a/print-udp.c b/print-udp.c
index 319e8e8a9b10cf7418791ceac2323bbfa8cee92b..f0b5bb6c52a7df01a5f7fd9cc756176686fb5ec5 100644 (file)
--- a/print-udp.c
+++ b/print-udp.c
@@ -666,8 +666,7 @@ udp_print(register const u_char *bp, u_int length,
                                printf("UDP, bad length %u > %u",
                                    ulen, length);
                        else
-                               printf("UDP, length %u",
-                                   (uint32_t)(ulen - sizeof(*up)));
+                               printf("UDP, length %u", ulen);
                }
 #undef ISPORT
        } else {
@@ -675,8 +674,7 @@ udp_print(register const u_char *bp, u_int length,
                        printf("UDP, bad length %u > %u",
                            ulen, length);
                else
-                       printf("UDP, length %u",
-                           (uint32_t)(ulen - sizeof(*up)));
+                       printf("UDP, length %u", ulen);
        }
 }