linux-kernel - [PATCH 01/47] KVM: remove superfluous NULL pointer check in kvm_inject_pit_timer

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Date:	Wed, 26 Aug 2009 13:29:23 +0300
From:	Avi Kivity <avi@...hat.com>
To:	kvm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 01/47] KVM: remove superfluous NULL pointer check in kvm_inject_pit_timer_irqs()

From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>

This takes care of the following entries from Dan's list:

arch/x86/kvm/i8254.c +714 kvm_inject_pit_timer_irqs(6) warning: variable derefenced in initializer 'vcpu'
arch/x86/kvm/i8254.c +714 kvm_inject_pit_timer_irqs(6) warning: variable derefenced before check 'vcpu'

Reported-by: Dan Carpenter <error27@...il.com>
Cc: corbet@....net
Cc: eteo@...hat.com
Cc: Julia Lawall <julia@...u.dk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Acked-by: Sheng Yang <sheng@...ux.intel.com>
Signed-off-by: Avi Kivity <avi@...hat.com>
---
 arch/x86/kvm/i8254.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 472653c..82ad523 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -713,7 +713,7 @@ void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu)
 	struct kvm *kvm = vcpu->kvm;
 	struct kvm_kpit_state *ps;
 
-	if (vcpu && pit) {
+	if (pit) {
 		int inject = 0;
 		ps = &pit->pit_state;
 
-- 
1.6.4.1

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