linux-kernel - [PATCH 4/4] KVM: async_pf: use list_first

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Date:	Fri,  1 Jan 2016 19:47:15 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Gleb Natapov <gleb@...nel.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	Geliang Tang <geliangtang@....com>, x86@...nel.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] KVM: async_pf: use list_first_entry

To make the intention clearer, use list_first_entry instead of
list_entry.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 virt/kvm/async_pf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index 77d42be..62c4857 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -110,8 +110,8 @@ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu)
 	/* cancel outstanding work queue item */
 	while (!list_empty(&vcpu->async_pf.queue)) {
 		struct kvm_async_pf *work =
-			list_entry(vcpu->async_pf.queue.next,
-				   typeof(*work), queue);
+			list_first_entry(&vcpu->async_pf.queue,
+					 typeof(*work), queue);
 		list_del(&work->queue);
 
 #ifdef CONFIG_KVM_ASYNC_PF_SYNC
@@ -128,8 +128,8 @@ void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu)
 	spin_lock(&vcpu->async_pf.lock);
 	while (!list_empty(&vcpu->async_pf.done)) {
 		struct kvm_async_pf *work =
-			list_entry(vcpu->async_pf.done.next,
-				   typeof(*work), link);
+			list_first_entry(&vcpu->async_pf.done,
+					 typeof(*work), link);
 		list_del(&work->link);
 		kmem_cache_free(async_pf_cache, work);
 	}
-- 
2.5.0


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