2019-09-11 22:21:27

by Thomas Huth

Subject: [PATCH] KVM: PPC: Remove superfluous check for non-zero return value

After the kfree()s haven been removed in the previous
commit 9798f4ea71ea ("fix rollback when kvmppc_xive_create fails"),
the code can be simplified even more to simply always "return ret"
now.

Signed-off-by: Thomas Huth <[email protected]>
---
arch/powerpc/kvm/book3s_xive.c | 5 +----
arch/powerpc/kvm/book3s_xive_native.c | 5 +----
2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
index e3ba67095895..2f6f463fcdfb 100644
--- a/arch/powerpc/kvm/book3s_xive.c
+++ b/arch/powerpc/kvm/book3s_xive.c
@@ -1986,10 +1986,7 @@ static int kvmppc_xive_create(struct kvm_device *dev, u32 type)

xive->single_escalation = xive_native_has_single_escalation();

- if (ret)
- return ret;
-
- return 0;
+ return ret;
}

int kvmppc_xive_debug_show_queues(struct seq_file *m, struct kvm_vcpu *vcpu)
diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
index a998823f68a3..7a50772f26fe 100644
--- a/arch/powerpc/kvm/book3s_xive_native.c
+++ b/arch/powerpc/kvm/book3s_xive_native.c
@@ -1089,10 +1089,7 @@ static int kvmppc_xive_native_create(struct kvm_device *dev, u32 type)
xive->single_escalation = xive_native_has_single_escalation();
xive->ops = &kvmppc_xive_native_ops;

- if (ret)
- return ret;
-
- return 0;
+ return ret;
}

/*
--
2.18.1

2019-09-19 00:58:32

by Greg Kurz

Subject: Re: [PATCH trivial] KVM: PPC: Remove superfluous check for non-zero return value

On Wed, 11 Sep 2019 21:52:35 +0200
Thomas Huth <[email protected]> wrote:

> After the kfree()s haven been removed in the previous
> commit 9798f4ea71ea ("fix rollback when kvmppc_xive_create fails"),
> the code can be simplified even more to simply always "return ret"
> now.
>
> Signed-off-by: Thomas Huth <[email protected]>
> ---

This looks like a good candidate for trivial, hence Cc'ing Jiri
and adding trivial keyword in subject.

Reviewed-by: Greg Kurz <[email protected]>

> arch/powerpc/kvm/book3s_xive.c | 5 +----
> arch/powerpc/kvm/book3s_xive_native.c | 5 +----
> 2 files changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c
> index e3ba67095895..2f6f463fcdfb 100644
> --- a/arch/powerpc/kvm/book3s_xive.c
> +++ b/arch/powerpc/kvm/book3s_xive.c
> @@ -1986,10 +1986,7 @@ static int kvmppc_xive_create(struct kvm_device *dev, u32 type)
>
> xive->single_escalation = xive_native_has_single_escalation();
>
> - if (ret)
> - return ret;
> -
> - return 0;
> + return ret;
> }
>
> int kvmppc_xive_debug_show_queues(struct seq_file *m, struct kvm_vcpu *vcpu)
> diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c
> index a998823f68a3..7a50772f26fe 100644
> --- a/arch/powerpc/kvm/book3s_xive_native.c
> +++ b/arch/powerpc/kvm/book3s_xive_native.c
> @@ -1089,10 +1089,7 @@ static int kvmppc_xive_native_create(struct kvm_device *dev, u32 type)
> xive->single_escalation = xive_native_has_single_escalation();
> xive->ops = &kvmppc_xive_native_ops;
>
> - if (ret)
> - return ret;
> -
> - return 0;
> + return ret;
> }
>
> /*