181     invalid:
182         OBD_FREE(upcall, count + 1);
183         return -EINVAL;
184     
185     valid:
186         down_write(&cache->uc_upcall_rwsem);
  CID 424705:  Security best practices violations  (STRING_OVERFLOW)
  You might overrun the 1024-character fixed-size string "cache->uc_upcall" by copying "upcall" without checking the length.
187         strcpy(cache->uc_upcall, upcall);
188         up_write(&cache->uc_upcall_rwsem);
189     
190         OBD_FREE(upcall, count + 1);
191         return 0;
192     }