[X2Go-Commits] [nx-libs] 104/219: compext/Png.c: Nullify after free

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x2go pushed a commit to branch 3.6.x
in repository nx-libs.

commit 956caeb8af1f14a52879d39c98caeb1e13edd546
Author: Ulrich Sibiller <uli42 at gmx.de>
Date:   Thu Jun 20 19:54:44 2019 +0200

    compext/Png.c: Nullify after free
---
 nx-X11/programs/Xserver/hw/nxagent/compext/Png.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nx-X11/programs/Xserver/hw/nxagent/compext/Png.c b/nx-X11/programs/Xserver/hw/nxagent/compext/Png.c
index 77a1941ea..5c3a27612 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/compext/Png.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/compext/Png.c
@@ -532,8 +532,8 @@ char *PngCompressData(XImage *image, int *compressed_size)
               dy, h);
   #endif
 
-  free(srcBuf);
-  free(image_index);
+  free(srcBuf); srcBuf = NULL;
+  free(image_index); image_index = NULL;
 
   if (setjmp(png_jmpbuf(png_ptr)))
   {

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