Warnign fixes

src/sn.c

@@ -329,12 +329,8 @@ static int setOption(int optkey, char *_optarg, n2n_sn_t *sss) {
 #endif
 
   case 'F': { /* federation name */
-
-    if(sss->federation->community != NULL){
-      snprintf(sss->federation->community,N2N_COMMUNITY_SIZE-1,"*%s",_optarg);
-      sss->federation->community[N2N_COMMUNITY_SIZE-1] = '\0';
-    }
-
+    snprintf(sss->federation->community, N2N_COMMUNITY_SIZE-1, "*%s" ,_optarg);
+    sss->federation->community[N2N_COMMUNITY_SIZE-1] = '\0';
     break;
   }
 

tools/benchmark.c

@@ -150,7 +150,7 @@ static void run_compression_benchmark() {
   gettimeofday( &t1, NULL );
   while(tdiff < target_usec) {
     compression_len = N2N_PKT_BUF_SIZE;
-    if(!lzo1x_1_compress(PKT_CONTENT, sizeof(PKT_CONTENT), compression_buffer, &compression_len, wrkmem) == LZO_E_OK) {
+    if(lzo1x_1_compress(PKT_CONTENT, sizeof(PKT_CONTENT), compression_buffer, &compression_len, wrkmem) != LZO_E_OK) {
       printf("\n\t compression error\n");
       exit(1);
     }