From 9434923529536a7054df4c612c5fcca41080a752 Mon Sep 17 00:00:00 2001
From: Hermet Park <chuneon.park@samsung.com>
Date: Mon, 24 Jan 2022 21:21:17 +0900
Subject: [PATCH] loader png: fix all memory leaks.

These were detected by asan with PicturePng example,

fixed them all.
---
 src/loaders/png/tvgPngLoader.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/loaders/png/tvgPngLoader.cpp b/src/loaders/png/tvgPngLoader.cpp
index 6126ff01..3e293176 100644
--- a/src/loaders/png/tvgPngLoader.cpp
+++ b/src/loaders/png/tvgPngLoader.cpp
@@ -72,6 +72,7 @@ PngLoader::PngLoader()
 PngLoader::~PngLoader()
 {
     if (freeData) free(data);
+    free(image);
 }
 
 
@@ -121,7 +122,7 @@ bool PngLoader::open(const char* data, uint32_t size, bool copy)
     clear();
 
     lodepng_state_init(&state);
-    
+
     unsigned int width, height;
     if (lodepng_inspect(&width, &height, &state, (unsigned char*)(data), size) > 0) return false;
 
@@ -180,10 +181,14 @@ unique_ptr<Surface> PngLoader::bitmap()
 
 void PngLoader::run(unsigned tid)
 {
+    if (image) {
+        free(image);
+        image = nullptr;
+    }
     auto width = static_cast<unsigned>(w);
     auto height = static_cast<unsigned>(h);
 
     lodepng_decode(&image, &width, &height, &state, data, size);
 
     _premultiply((uint32_t*)(image), width, height);
-}
\ No newline at end of file
+}