From d59685f5667e25d0805bde93c068052afb30efda Mon Sep 17 00:00:00 2001

From: Alon Levy <alevy@redhat.com>

Date: Sun, 7 Oct 2012 17:03:35 +0200

Subject: [PATCH 516/647] hw/qxl: qxl_dirty_surfaces: use uintptr_t

As suggested by Paolo Bonzini, to avoid possible integer overflow issues.

Signed-off-by: Alon Levy <alevy@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

---

 hw/qxl.c | 4 ++--

 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/qxl.c b/hw/qxl.c

index e3a164a..5a9bf1c 100644

--- a/hw/qxl.c

+++ b/hw/qxl.c

@@ -1803,7 +1803,7 @@ 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) {

@@ -1814,7 +1814,7 @@ 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 < qxl->ssd.num_surfaces; i++) {

-- 

1.7.12.1