fixing coverity issues

lib/src/phy/resampling/resample_arb.c

@@ -150,7 +150,7 @@ int srslte_resample_arb_compute(srslte_resample_arb_t *q, cf_t *input, cf_t *out
     
     res1 = srslte_resample_arb_dot_prod(filter_input, srslte_resample_arb_polyfilt[idx], SRSLTE_RESAMPLE_ARB_M);
     if(q->interpolate){
-      res2 = srslte_resample_arb_dot_prod(filter_input, srslte_resample_arb_polyfilt[(idx%SRSLTE_RESAMPLE_ARB_N)+1], SRSLTE_RESAMPLE_ARB_M);
+      res2 = srslte_resample_arb_dot_prod(filter_input, srslte_resample_arb_polyfilt[(idx+1)%SRSLTE_RESAMPLE_ARB_N], SRSLTE_RESAMPLE_ARB_M);
     }
 
     if(idx == SRSLTE_RESAMPLE_ARB_N){

srsenb/src/mac/ue.cc

@@ -279,6 +279,10 @@ bool ue::process_ce(srslte::sch_subh *subh) {
     case srslte::sch_subh::TRUNC_BSR: 
     case srslte::sch_subh::SHORT_BSR:
       idx = subh->get_bsr(buff_size);
+      if(idx == -1){
+        Error("Invalid Index Passed to lc groups\n");
+        break;
+      }
       for (uint32_t i=0;i<lc_groups[idx].size();i++) {
         // Indicate BSR to scheduler
         sched->ul_bsr(rnti, lc_groups[idx][i], buff_size[idx]);

srsenb/test/upper/ip_test.cc

@@ -643,5 +643,6 @@ int setup_if_addr(char *ip_addr)
     return -1;
   }
   
+  close(sock);
   return(tun_fd);
 }