diff options
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index e109d9e663b5..cc4d6e0dd2a2 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1102,37 +1102,31 @@ int kvm_get_dirty_log(struct kvm *kvm, { struct kvm_memslots *slots; struct kvm_memory_slot *memslot; - int r, i, as_id, id; + int i, as_id, id; unsigned long n; unsigned long any = 0; - r = -EINVAL; as_id = log->slot >> 16; id = (u16)log->slot; if (as_id >= KVM_ADDRESS_SPACE_NUM || id >= KVM_USER_MEM_SLOTS) - goto out; + return -EINVAL; slots = __kvm_memslots(kvm, as_id); memslot = id_to_memslot(slots, id); - r = -ENOENT; if (!memslot->dirty_bitmap) - goto out; + return -ENOENT; n = kvm_dirty_bitmap_bytes(memslot); for (i = 0; !any && i < n/sizeof(long); ++i) any = memslot->dirty_bitmap[i]; - r = -EFAULT; if (copy_to_user(log->dirty_bitmap, memslot->dirty_bitmap, n)) - goto out; + return -EFAULT; if (any) *is_dirty = 1; - - r = 0; -out: - return r; + return 0; } EXPORT_SYMBOL_GPL(kvm_get_dirty_log); |