From 0f6f5132c130a2596c9ea50a7f8a81e0f1e3f9d4 Mon Sep 17 00:00:00 2001
From: LinFor <linfor@gmail.com>
Date: Sat, 22 Jun 2019 03:04:30 +0300
Subject: [PATCH] Fix variable conflict in ok_to_send (#14351)

---
 Marlin/src/gcode/queue.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Marlin/src/gcode/queue.cpp b/Marlin/src/gcode/queue.cpp
index d09f678c3c..7dbe3259e1 100644
--- a/Marlin/src/gcode/queue.cpp
+++ b/Marlin/src/gcode/queue.cpp
@@ -225,9 +225,9 @@ void GCodeQueue::enqueue_now_P(PGM_P const pgcode) {
  */
 void GCodeQueue::ok_to_send() {
   #if NUM_SERIAL > 1
-    const int16_t p = port[index_r];
-    if (p < 0) return;
-    PORT_REDIRECT(p);
+    const int16_t pn = port[index_r];
+    if (pn < 0) return;
+    PORT_REDIRECT(pn);
   #endif
   if (!send_ok[index_r]) return;
   SERIAL_ECHOPGM(MSG_OK);