From d03ab137143aeae21ab7bb4e8cab72e1f49b8309 Mon Sep 17 00:00:00 2001 From: Alon Levy Date: Sun, 7 Oct 2012 17:03:35 +0200 Subject: [PATCH] hw/qxl: qxl_dirty_surfaces: use uintptr_t As suggested by Paolo Bonzini, to avoid possible integer overflow issues. Signed-off-by: Alon Levy Signed-off-by: Gerd Hoffmann (cherry picked from commit c5825ac6c861bfe1a4adfa27517931b56079e298) Signed-off-by: Michael Roth --- hw/qxl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/qxl.c b/hw/qxl.c index 59bf822..89e9ad9 100644 --- a/hw/qxl.c +++ b/hw/qxl.c @@ -1703,7 +1703,7 @@ static void qxl_hw_text_update(void *opaque, console_ch_t *chardata) static void qxl_dirty_surfaces(PCIQXLDevice *qxl) { - intptr_t vram_start; + uintptr_t vram_start; int i; if (qxl->mode != QXL_MODE_NATIVE && qxl->mode != QXL_MODE_COMPAT) { @@ -1714,7 +1714,7 @@ static void qxl_dirty_surfaces(PCIQXLDevice *qxl) qxl_set_dirty(&qxl->vga.vram, qxl->shadow_rom.draw_area_offset, qxl->shadow_rom.surface0_area_size); - vram_start = (intptr_t)memory_region_get_ram_ptr(&qxl->vram_bar); + vram_start = (uintptr_t)memory_region_get_ram_ptr(&qxl->vram_bar); /* dirty the off-screen surfaces */ for (i = 0; i < NUM_SURFACES; i++) { -- 1.8.0.2