Fix RMT mutex unlock using incorrect channel number in rmtDeinit (#10034)

Author: paccerdk

cores/esp32/esp32-hal-rmt.c

@@ -325,22 +325,23 @@ bool rmtDeinit(rmt_obj_t *rmt)
 return false;
  }
 
-RMT_MUTEX_LOCK(rmt->channel);
+intchannel=rmt->channel;
+RMT_MUTEX_LOCK(channel);
 // force stopping rmt processing
 if (rmt->tx_not_rx){
-rmt_tx_stop(rmt->channel);
+rmt_tx_stop(channel);
  } else{
-rmt_rx_stop(rmt->channel);
+rmt_rx_stop(channel);
 if(rmt->rxTaskHandle){
 vTaskDelete(rmt->rxTaskHandle);
 rmt->rxTaskHandle=NULL;
  } 
  }
 
-rmt_driver_uninstall(rmt->channel);
+rmt_driver_uninstall(channel);
 
-size_tfrom=rmt->channel;
-size_tto=rmt->buffers+rmt->channel;
+size_tfrom=channel;
+size_tto=rmt->buffers+channel;
 size_ti;
 
 for (i=from; i<to; i++){
@@ -349,7 +350,7 @@ bool rmtDeinit(rmt_obj_t *rmt)
 
 g_rmt_objects[from].channel=0;
 g_rmt_objects[from].buffers=0;
-RMT_MUTEX_UNLOCK(rmt->channel);
+RMT_MUTEX_UNLOCK(channel);
 
 #if !CONFIG_DISABLE_HAL_LOCKS
 if(g_rmt_objlocks[from] !=NULL){