fix various coverity bugs

lib/examples/pdsch_enodeb.c

@@ -528,9 +528,9 @@ int update_radl() {
 
   srslte_ra_pdsch_fprint(stdout, &ra_dl, cell.nof_prb);
   srslte_ra_dl_grant_t dummy_grant; 
-  srslte_ra_nbits_t dummy_nbits;
+  srslte_ra_nbits_t dummy_nbits[SRSLTE_MAX_CODEWORDS];
   srslte_ra_dl_dci_to_grant(&ra_dl, cell.nof_prb, UE_CRNTI, &dummy_grant);
-  srslte_ra_dl_grant_to_nbits(&dummy_grant, cfi, cell, 0, &dummy_nbits);
+  srslte_ra_dl_grant_to_nbits(&dummy_grant, cfi, cell, 0, dummy_nbits);
   srslte_ra_dl_grant_fprint(stdout, &dummy_grant);
   dummy_grant.sf_type = SRSLTE_SF_NORM;
   if (pdsch_cfg.mimo_type != SRSLTE_MIMO_TYPE_SINGLE_ANTENNA) {

lib/src/phy/fec/turbodecoder_simd.c

@@ -133,7 +133,7 @@ void map_simd_dec(map_gen_t * h, int16_t * input[SRSLTE_TDEC_MAX_NPAR], int16_t
 {
   
   uint32_t nof_cb = 1;
-  int16_t *outptr[SRSLTE_TDEC_MAX_NPAR];
+  int16_t *outptr[SRSLTE_TDEC_MAX_NPAR] = { NULL, NULL };
   
   // Compute branch metrics
   switch(cb_mask) {

lib/src/phy/fec/turbodecoder_sse_inter.c

@@ -85,6 +85,10 @@ void map_sse_inter_beta(srslte_tdec_simd_inter_t * s, int16_t *input, int16_t *p
   __m128i *outputPtr = (__m128i*) output;
   __m128i *alphaPtr  = (__m128i*) s->alpha;
 
+  for (int i = 0; i < 8; i++) {
+    old[i] = _mm_set1_epi16(0);
+  }
+
   for (int k = end - 1; k >= 0; k--) {
     x = _mm_load_si128(inputPtr++);
     y = _mm_load_si128(parityPtr++);

srsenb/src/mac/scheduler_ue.cc

@@ -212,6 +212,7 @@ bool sched_ue::pucch_sr_collision(uint32_t current_tti, uint32_t n_cce)
     return false; 
   }
   srslte_pucch_sched_t pucch_sched; 
+  pucch_sched.sps_enabled = false;
   pucch_sched.n_pucch_sr = cfg.sr_N_pucch;
   pucch_sched.n_pucch_2  = cfg.n_pucch_cqi;
   pucch_sched.N_pucch_1  = cfg.pucch_cfg.n1_pucch_an;