linux-kernel - Re: [PATCH] KVM: x86: removing unused variable

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Date:	Mon, 2 Nov 2015 13:02:02 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Saurabh Sengar <saurabh.truth@...il.com>, glen@...nel.org,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: x86: removing unused variable



On 30/10/2015 08:26, Saurabh Sengar wrote:
> removing unused variables, found by coccinelle
> 
> Signed-off-by: Saurabh Sengar <saurabh.truth@...il.com>
> ---
>  arch/x86/kvm/x86.c | 16 +++++-----------
>  1 file changed, 5 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 9a9a198..ec15294 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -3424,41 +3424,35 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
>  
>  static int kvm_vm_ioctl_get_pit(struct kvm *kvm, struct kvm_pit_state *ps)
>  {
> -	int r = 0;
> -
>  	mutex_lock(&kvm->arch.vpit->pit_state.lock);
>  	memcpy(ps, &kvm->arch.vpit->pit_state, sizeof(struct kvm_pit_state));
>  	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
> -	return r;
> +	return 0;
>  }
>  
>  static int kvm_vm_ioctl_set_pit(struct kvm *kvm, struct kvm_pit_state *ps)
>  {
> -	int r = 0;
> -
>  	mutex_lock(&kvm->arch.vpit->pit_state.lock);
>  	memcpy(&kvm->arch.vpit->pit_state, ps, sizeof(struct kvm_pit_state));
>  	kvm_pit_load_count(kvm, 0, ps->channels[0].count, 0);
>  	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
> -	return r;
> +	return 0;
>  }
>  
>  static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
>  {
> -	int r = 0;
> -
>  	mutex_lock(&kvm->arch.vpit->pit_state.lock);
>  	memcpy(ps->channels, &kvm->arch.vpit->pit_state.channels,
>  		sizeof(ps->channels));
>  	ps->flags = kvm->arch.vpit->pit_state.flags;
>  	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
>  	memset(&ps->reserved, 0, sizeof(ps->reserved));
> -	return r;
> +	return 0;
>  }
>  
>  static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
>  {
> -	int r = 0, start = 0;
> +	int start = 0;
>  	u32 prev_legacy, cur_legacy;
>  	mutex_lock(&kvm->arch.vpit->pit_state.lock);
>  	prev_legacy = kvm->arch.vpit->pit_state.flags & KVM_PIT_FLAGS_HPET_LEGACY;
> @@ -3470,7 +3464,7 @@ static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
>  	kvm->arch.vpit->pit_state.flags = ps->flags;
>  	kvm_pit_load_count(kvm, 0, kvm->arch.vpit->pit_state.channels[0].count, start);
>  	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
> -	return r;
> +	return 0;
>  }
>  
>  static int kvm_vm_ioctl_reinject(struct kvm *kvm,
> 

Applied, thanks.

Paolo
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