decode: don't clear computed csums twice

Already done in a generic way by PACKET_RESET_CHECKSUMS.

src/decode-icmpv4.h

@@ -221,11 +221,11 @@ typedef struct ICMPV4Timestamp_ {
     uint32_t tx_ts;
 } __attribute__((__packed__)) ICMPV4Timestamp;
 
-#define CLEAR_ICMPV4_PACKET(p) do { \
-    (p)->level4_comp_csum = -1;     \
-    PACKET_CLEAR_L4VARS((p));       \
-    (p)->icmpv4h = NULL;            \
-} while(0)
+#define CLEAR_ICMPV4_PACKET(p)                                                                     \
+    do {                                                                                           \
+        PACKET_CLEAR_L4VARS((p));                                                                  \
+        (p)->icmpv4h = NULL;                                                                       \
+    } while (0)
 
 #define ICMPV4_HEADER_PKT_OFFSET 8
 

src/decode-icmpv6.h

@@ -182,12 +182,11 @@ typedef struct ICMPV6Vars_ {
 
 } ICMPV6Vars;
 
-
-#define CLEAR_ICMPV6_PACKET(p) do { \
-    (p)->level4_comp_csum = -1;     \
-    PACKET_CLEAR_L4VARS((p));       \
-    (p)->icmpv6h = NULL;            \
-} while(0)
+#define CLEAR_ICMPV6_PACKET(p)                                                                     \
+    do {                                                                                           \
+        PACKET_CLEAR_L4VARS((p));                                                                  \
+        (p)->icmpv6h = NULL;                                                                       \
+    } while (0)
 
 void DecodeICMPV6RegisterTests(void);
 

src/decode-ipv4.h

@@ -148,11 +148,11 @@ typedef struct IPV4Hdr_
 #define IPV4_GET_IPPROTO(p) \
     IPV4_GET_RAW_IPPROTO((p)->ip4h)
 
-#define CLEAR_IPV4_PACKET(p) do { \
-    (p)->ip4h = NULL; \
-    (p)->level3_comp_csum = -1; \
-    memset(&p->ip4vars, 0x00, sizeof(p->ip4vars)); \
-} while (0)
+#define CLEAR_IPV4_PACKET(p)                                                                       \
+    do {                                                                                           \
+        (p)->ip4h = NULL;                                                                          \
+        memset(&p->ip4vars, 0x00, sizeof(p->ip4vars));                                             \
+    } while (0)
 
 enum IPV4OptionFlags {
     IPV4_OPT_FLAG_EOL = 0,

src/decode-tcp.h

@@ -168,11 +168,11 @@ typedef struct TCPVars_
     TCPOpt tfo;         /* tcp fast open */
 } TCPVars;
 
-#define CLEAR_TCP_PACKET(p) {   \
-    (p)->level4_comp_csum = -1; \
-    PACKET_CLEAR_L4VARS((p));   \
-    (p)->tcph = NULL;           \
-}
+#define CLEAR_TCP_PACKET(p)                                                                        \
+    {                                                                                              \
+        PACKET_CLEAR_L4VARS((p));                                                                  \
+        (p)->tcph = NULL;                                                                          \
+    }
 
 void DecodeTCPRegisterTests(void);
 

src/decode-udp.h

@@ -46,10 +46,10 @@ typedef struct UDPHdr_
 	uint16_t uh_sum;    /* checksum */
 } UDPHdr;
 
-#define CLEAR_UDP_PACKET(p) do {    \
-    (p)->level4_comp_csum = -1;     \
-    (p)->udph = NULL;               \
-} while (0)
+#define CLEAR_UDP_PACKET(p)                                                                        \
+    do {                                                                                           \
+        (p)->udph = NULL;                                                                          \
+    } while (0)
 
 void DecodeUDPV4RegisterTests(void);