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-rw-r--r--ui/spice-display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 0553c5e5b0..34095fbc8c 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -197,7 +197,7 @@ static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
{
static const int blksize = 32;
- int blocks = (surface_width(ssd->ds) + blksize - 1) / blksize;
+ int blocks = DIV_ROUND_UP(surface_width(ssd->ds), blksize);
int dirty_top[blocks];
int y, yoff1, yoff2, x, xoff, blk, bw;
int bpp = surface_bytes_per_pixel(ssd->ds);