virt: acrn: using for_each_set_bit to simplify the code

It's more cleanly to use for_each_set_bit() instead of opencoding it.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Fei Li <fei1.li@intel.com>
Link: https://lore.kernel.org/r/20220704125044.2192381-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/virt/acrn/ioreq.c b/drivers/virt/acrn/ioreq.c
index 5ff1c53..d75ab3f 100644 (file)
--- a/drivers/virt/acrn/ioreq.c
+++ b/drivers/virt/acrn/ioreq.c
@@ -246,12 +246,8 @@ void acrn_ioreq_request_clear(struct acrn_vm *vm)
        spin_lock_bh(&vm->ioreq_clients_lock);
        client = vm->default_client;
        if (client) {
-               vcpu = find_first_bit(client->ioreqs_map, ACRN_IO_REQUEST_MAX);
-               while (vcpu < ACRN_IO_REQUEST_MAX) {
+               for_each_set_bit(vcpu, client->ioreqs_map, ACRN_IO_REQUEST_MAX)
                        acrn_ioreq_complete_request(client, vcpu, NULL);
-                       vcpu = find_next_bit(client->ioreqs_map,
-                                            ACRN_IO_REQUEST_MAX, vcpu + 1);
-               }
        }
        spin_unlock_bh(&vm->ioreq_clients_lock);