linux-kernel - [PATCH 1/4] KVM: use list_for_each_entry

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Date:	Fri,  1 Jan 2016 19:47:12 +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 1/4] KVM: use list_for_each_entry_safe

Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 virt/kvm/kvm_main.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 484079e..5b6df4f 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -630,13 +630,10 @@ void *kvm_kvzalloc(unsigned long size)
 
 static void kvm_destroy_devices(struct kvm *kvm)
 {
-	struct list_head *node, *tmp;
+	struct kvm_device *dev, *tmp;
 
-	list_for_each_safe(node, tmp, &kvm->devices) {
-		struct kvm_device *dev =
-			list_entry(node, struct kvm_device, vm_node);
-
-		list_del(node);
+	list_for_each_entry_safe(dev, tmp, &kvm->devices, vm_node) {
+		list_del(&dev->vm_node);
 		dev->ops->destroy(dev);
 	}
 }
-- 
2.5.0


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