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ui/spice-display: use uintptr_t when casting qxl physical addresses
The current intptr_t casts are a problem when the address's highest bit is 1, and it is cast to a intptr_t and then to uint64_t, such as at: surface.mem = (intptr_t)ssd->buf; This causes the sign bit to be extended which causes a wrong address to be passed on to spice, which then complains when it gets the wrong slot_id number, since the slot_id is taken from the higher bits. The assertion happens early - during the first primary surface creation. This fixes running "-vga qxl -spice" with 32 bit compiled qemu-system-i386. Signed-off-by: NAlon Levy <alevy@redhat.com> Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>
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