linux-kernel - [PATCH -next] virt: acrn: using for_each_set

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Message-ID: <20220704125044.2192381-1-yangyingliang@huawei.com>
Date:   Mon, 4 Jul 2022 20:50:44 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>
CC:     <fei1.li@...el.com>, <gregkh@...uxfoundation.org>
Subject: [PATCH -next] 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@...wei.com>
---
 drivers/virt/acrn/ioreq.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/virt/acrn/ioreq.c b/drivers/virt/acrn/ioreq.c
index 5ff1c53740c0..d75ab3f66da4 100644
--- 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);
 
-- 
2.25.1