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Stefan Hajnoczi authored
The console_select() function does not check that active_console is non-NULL before dereferencing it. When invoked with qemu -nodefaults it is possible to hit this case. This patch checks that active_console is non-NULL before stashing away the old console dimensions in console_select(). Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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