imgcodecs(png): resolve ASAN issue with vars scope and setjmp() call

7 years ago · 4f6c493b87
parent 2e33844f0d
commit 4f6c493b87
1 changed files with 4 additions and 4 deletions
--- 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;