Fixed offset int in previous commit

srsue/hdr/phy/phch_recv.h

@@ -168,7 +168,7 @@ private:
     void      set_cell(srslte_cell_t cell);
     ret_code  run_subframe(uint32_t sf_idx);
     ret_code  run_subframe_sync(srslte_ue_sync_t *ue_sync, uint32_t sf_idx);
-    ret_code  run_multiple_subframes(cf_t *buffer, uint32_t offset, uint32_t sf_idx, uint32_t nof_sf);
+    ret_code  run_multiple_subframes(cf_t *buffer, int offset, uint32_t sf_idx, uint32_t nof_sf);
     float     rssi();
     float     rsrp();
     float     rsrp_n();

srsue/src/phy/phch_recv.cc

@@ -1090,7 +1090,7 @@ phch_recv::measure::ret_code phch_recv::measure::run_subframe_sync(srslte_ue_syn
 }
 
 phch_recv::measure::ret_code phch_recv::measure::run_multiple_subframes(cf_t *input_buffer,
-                                                                        uint32_t offset,
+                                                                        int offset,
                                                                         uint32_t sf_idx,
                                                                         uint32_t max_sf)
 {
@@ -1099,7 +1099,7 @@ phch_recv::measure::ret_code phch_recv::measure::run_multiple_subframes(cf_t *in
   ret_code ret = IDLE;
 
   offset = offset-sf_len/2;
-  while (offset < 0) {
+  while (offset < 0 && sf_idx < max_sf) {
     offset += sf_len;
     sf_idx ++;
   }