I'm not sure what "any" was for: some optimization which got trimmed,
I imagine. But neither "any" nor "i" are used later in the function,
so I've excised it.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
diff -r a17d7fe2b240 drivers/kvm/kvm_main.c
--- a/drivers/kvm/kvm_main.c Mon Jul 30 15:10:22 2007 +1000
+++ b/drivers/kvm/kvm_main.c Mon Jul 30 15:20:33 2007 +1000
@@ -830,9 +830,7 @@ static int kvm_vm_ioctl_get_dirty_log(st
struct kvm_dirty_log *log)
{
struct kvm_memory_slot *memslot;
- int r, i;
- int n;
- unsigned long any = 0;
+ int r, n;
spin_lock(&kvm->lock);
@@ -851,11 +849,7 @@ static int kvm_vm_ioctl_get_dirty_log(st
if (!memslot->dirty_bitmap)
goto out;
- n = ALIGN(memslot->npages, BITS_PER_LONG) / 8;
-
- for (i = 0; !any && i < n/sizeof(long); ++i)
- any = memslot->dirty_bitmap[i];
-
+ n = BITS_TO_LONGS(memslot->npages) * sizeof(long);
r = -EFAULT;
if (copy_to_user(log->dirty_bitmap, memslot->dirty_bitmap, n))
goto out;
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