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ui/gtk: making dmabuf NULL when it's released.

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Set vc->gfx.guest_fb.dmabuf to NULL to prevent any further access
to it after the dmabuf is released.

v2: move declaration of vc inside ifdef

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230627005316.5627-1-dongwon.kim@intel.com>
This commit is contained in:
Dongwon Kim 2023-06-26 17:53:16 -07:00 committed by Marc-André Lureau
parent 7b41ca8d91
commit 2fc280734a
1 changed files with 5 additions and 0 deletions
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5
ui/gtk.c
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@ -583,7 +583,12 @@ static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf)
{
#ifdef CONFIG_GBM
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
egl_dmabuf_release_texture(dmabuf);
if (vc->gfx.guest_fb.dmabuf == dmabuf) {
vc->gfx.guest_fb.dmabuf = NULL;
}
#endif
}