From 24cd5079d45059c14dc266d71f673723cc162b09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 23 Mar 2020 18:16:54 +0100
Subject: [PATCH] [python] matplotlib: fix modpyplot_gc_collect

---
 python/port/mod/matplotlib/modpyplot.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/python/port/mod/matplotlib/modpyplot.cpp b/python/port/mod/matplotlib/modpyplot.cpp
index 81972335e..3ab8682bd 100644
--- a/python/port/mod/matplotlib/modpyplot.cpp
+++ b/python/port/mod/matplotlib/modpyplot.cpp
@@ -37,11 +37,11 @@ mp_obj_t modpyplot___init__() {
 }
 
 void modpyplot_gc_collect() {
-  if (sPlotStore != nullptr) {
+  if (sPlotStore == nullptr) {
     return;
   }
   MicroPython::collectRootsAtAddress(
-    reinterpret_cast<char *>(&sPlotStore),
+    reinterpret_cast<char *>(sPlotStore),
     sizeof(Matplotlib::PlotStore)
   );
 }