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