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| H A D | vnc.c | diff 4c65fed8bdf96780735dbdb92a8bd0d6b6526cc3 Thu Dec 03 07:24:17 CST 2015 Prasad J Pandit <pjp@fedoraproject.org> ui: vnc: avoid floating point exception
While sending 'SetPixelFormat' messages to a VNC server,
the client could set the 'red-max', 'green-max' and 'blue-max'
values to be zero. This leads to a floating point exception in
write_png_palette while doing frame buffer updates.
Reported-by: Lian Yihan <lianyihan@360.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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