fix mem leak in phch_recv

srsue/hdr/phy/phch_recv.h

@@ -199,6 +199,7 @@ private:
       uint32_t offset;
     } cell_info_t;
     void init(srslte::log *log_h, bool sic_pss_enabled, uint32_t max_sf_window);
+    void deinit();
     void reset();
     int find_cells(cf_t *input_buffer, float rx_gain_offset, srslte_cell_t current_cell, uint32_t nof_sf, cell_info_t found_cells[MAX_CELLS]);
   private:
@@ -220,6 +221,7 @@ private:
   // Class to perform intra-frequency measurements
   class intra_measure : public thread {
   public:
+    ~intra_measure();
     void init(phch_common *common, rrc_interface_phy *rrc, srslte::log *log_h);
     void stop();
     void add_cell(int pci);

srsue/src/phy/phch_recv.cc

@@ -711,6 +711,12 @@ void phch_recv::run_thread()
     mac->tti_clock(tti);
     tti = (tti+1) % 10240;
   }
+
+  for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
+    if (dummy_buffer[i]) {
+      free(dummy_buffer[i]);
+    }
+  }
 }
 
 void phch_recv::in_sync() {
@@ -1238,6 +1244,13 @@ void phch_recv::scell_recv::reset()
   measure_p.reset();
 }
 
+void phch_recv::scell_recv::deinit()
+{
+  srslte_sync_free(&sync_find);
+  free(input_cfo_corrected);
+  free(sf_buffer[0]);
+}
+
 int phch_recv::scell_recv::find_cells(cf_t *input_buffer, float rx_gain_offset, srslte_cell_t cell, uint32_t nof_sf, cell_info_t cells[MAX_CELLS])
 {
   uint32_t fft_sz  = srslte_symbol_sz(cell.nof_prb);
@@ -1433,6 +1446,12 @@ void phch_recv::intra_measure::stop() {
   wait_thread_finish();
 }
 
+phch_recv::intra_measure::~intra_measure() {
+  srslte_ringbuffer_free(&ring_buffer);
+  scell.deinit();
+  free(search_buffer);
+}
+
 void phch_recv::intra_measure::set_primay_cell(uint32_t earfcn, srslte_cell_t cell) {
   this->current_earfcn = earfcn;
   current_sflen = SRSLTE_SF_LEN_PRB(cell.nof_prb);