Reset pointer to 0 after freeing

set m_textureResource to 0 after freeing it, to
ensure we allocate a new one two lines below before
using it again 5 lines below.

Change-Id: Ib9c4de94aefed91f15d0fab0cd3c774a64f2f891
Reviewed-by: Thiago Macieira <[email protected]>
Reviewed-by: Samuel Rødal <[email protected]>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gui/opengl/qopengltextureglyphcache.cpp b/src/gui/opengl/qopengltextureglyphcache.cpp
index b37e8fb972c..790b92a686f 100644
--- a/src/gui/opengl/qopengltextureglyphcache.cpp
+++ b/src/gui/opengl/qopengltextureglyphcache.cpp
@@ -106,8 +106,10 @@ void QOpenGLTextureGlyphCache::createTextureData(int width, int height)
     if (height < 16)
         height = 16;
 
-    if (m_textureResource && !m_textureResource->m_texture)
+    if (m_textureResource && !m_textureResource->m_texture) {
         delete m_textureResource;
+        m_textureResource = 0;
+    }
 
     if (!m_textureResource)
         m_textureResource = new QOpenGLGlyphTexture(ctx);