Merge pull request #10444 from alalek:fix_asan_imgcodecs

ec32022b · Alexander Alekhin · GitHub · 5aac9090 · 4f6c493b · ec32022b
Unverified Commit ec32022b authored Dec 28, 2017 by Alexander Alekhin Committed by GitHub Dec 28, 2017
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Showing with 4 additions and 4 deletions

grfmt_png.cpp modules/imgcodecs/src/grfmt_png.cpp +4 -4

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--- a/modules/imgcodecs/src/grfmt_png.cpp
+++ b/modules/imgcodecs/src/grfmt_png.cpp
@@ -228,12 +228,12 @@ bool  PngDecoder::readData( Mat& img )
    uchar** buffer = _buffer;
    int color = img.channels() > 1;

+    png_structp png_ptr = (png_structp)m_png_ptr;
+    png_infop info_ptr = (png_infop)m_info_ptr;
+    png_infop end_info = (png_infop)m_end_info;
+
    if( m_png_ptr && m_info_ptr && m_end_info && m_width && m_height )
    {
-        png_structp png_ptr = (png_structp)m_png_ptr;
-        png_infop info_ptr = (png_infop)m_info_ptr;
-        png_infop end_info = (png_infop)m_end_info;
-
        if( setjmp( png_jmpbuf ( png_ptr ) ) == 0 )
        {
            int y;