Fix segmentation fault due tu previous commit

packet-exchange/src/client.c

@@ -263,10 +263,11 @@ static void do_tsn_task(struct thread_param *param, char *data, uint64_t next_tx
 
     if (enable_histograms) {
       rtt_us = param->stats.rtt / 1000;
-      if (rtt_us > MAX_HIST_VAL) {
+
+      if (rtt_us > MAX_HIST_VAL)
         fprintf(stderr, "RTT value higher than MAX_HIST_VAL : %d ( > %d)\n", rtt_us, MAX_HIST_VAL);
-      }
-      histograms[0][rtt_us]++;
+      else
+        histograms[0][rtt_us]++;
     }
   }
 }

packet-exchange/src/recv_packet.c

@@ -173,15 +173,15 @@ static void fill_histograms(packet_info_t *packet_info, int64_t histograms[NB_HI
   user_space_time /= 1000u;
   kernel_space_time /= 1000u;
 
-  if (user_space_time > MAX_HIST_VAL) {
+  if (user_space_time > MAX_HIST_VAL)
     fprintf(stderr, "user_space_time value too high: %" PRIu64 "us\n", user_space_time);
-  }
-  if (kernel_space_time > MAX_HIST_VAL) {
-    fprintf(stderr, "kernel_space_time value too high: %" PRIu64 "us\n", kernel_space_time);
-  }
+  else
+    histograms[0][user_space_time]++;
 
-  histograms[0][user_space_time]++;
-  histograms[1][kernel_space_time]++;
+  if (kernel_space_time > MAX_HIST_VAL)
+    fprintf(stderr, "kernel_space_time value too high: %" PRIu64 "us\n", kernel_space_time);
+  else
+    histograms[1][kernel_space_time]++;
 }
 
 #ifdef DEBUG

packet-exchange/src/send_packet.c

@@ -208,15 +208,15 @@ static void fill_histograms(packet_info_t *packet_info, int64_t histograms[NB_HI
   user_space_time /= 1000u;
   kernel_space_time /= 1000u;
 
-  if (user_space_time > MAX_HIST_VAL) {
+  if (user_space_time > MAX_HIST_VAL)
     fprintf(stderr, "user_space_time value too high: %" PRIu64 "us\n", user_space_time);
-  }
-  if (kernel_space_time > MAX_HIST_VAL) {
-    fprintf(stderr, "kernel_space_time value too high: %" PRIu64 "us\n", kernel_space_time);
-  }
+  else
+    histograms[0][user_space_time]++;
 
-  histograms[0][user_space_time]++;
-  histograms[1][kernel_space_time]++;
+  if (kernel_space_time > MAX_HIST_VAL)
+    fprintf(stderr, "kernel_space_time value too high: %" PRIu64 "us\n", kernel_space_time);
+  else
+    histograms[1][kernel_space_time]++;
 }
 
 static void process_timestamps(packet_info_t *packet_info, int64_t histograms[NB_HISTOGRAMS][MAX_HIST_VAL]) {

packet-exchange/src/server.c

@@ -157,6 +157,7 @@ static void *packet_receiving_thread(void *p) {
         if (enable_histograms) {
           dist_to_interval = (((int64_t)diff) - param->interval) / 1000;
           dist_to_interval += MAX_HIST_VAL / 2;
+
           if (dist_to_interval > ((int)MAX_HIST_VAL) || dist_to_interval < 0)
             fprintf(stderr, "jitter higher than MAX_HIST_VAL: %" PRIi64 "\n", dist_to_interval);
           else