Small change

lib/driver/mmc/mmc_hl_cmds.c

@@ -33,11 +33,7 @@
 driver_return_code_t 
 mmc_close_tray(CdIo_t *p_cdio)
 {
-  if (p_cdio) {
     return mmc_start_stop_unit(p_cdio, false, false, 0, 0);
-  } else {
-      return DRIVER_OP_ERROR;
-  }
 }
 
 /**
@@ -73,8 +69,8 @@ mmc_eject_media( const CdIo_t *p_cdio )
 otherwise.
  */
 /* From Frank Endres: */
-driver_return_code_t mmc_get_disc_erasable(const CdIo_t *p_cdio, 
-					   bool *b_erasable) {
+driver_return_code_t 
+mmc_get_disc_erasable(const CdIo_t *p_cdio, bool *b_erasable) {
     uint8_t buf[42] = { 0, };
     driver_return_code_t i_status;