linux-kernel - Re: [PATCH] kvm:powerpc:Fix return statements for wrapper functions in the file book3s_64_mmu

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 12 Aug 2015 21:06:15 +0200
From:	Alexander Graf <agraf@...e.de>
To:	Nicholas Krause <xerofoify@...il.com>, gleb@...nel.org
Cc:	benh@...nel.crashing.org, linuxppc-dev@...ts.ozlabs.org,
	pbonzini@...hat.com, kvm@...r.kernel.org, kvm-ppc@...r.kernel.org,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH] kvm:powerpc:Fix return statements for wrapper functions
 in the file book3s_64_mmu_hv.c



On 10.08.15 17:27, Nicholas Krause wrote:
> This fixes the wrapper functions kvm_umap_hva_hv and the function
> kvm_unmap_hav_range_hv to return the return value of the function
> kvm_handle_hva or kvm_handle_hva_range that they are wrapped to
> call internally rather then always making the caller of these
> wrapper functions think they always run successfully by returning
> the value of zero directly.
> 
> Signed-off-by: Nicholas Krause <xerofoify@...il.com>

Paul, could you please take on this one?

Thanks,

Alex

> ---
>  arch/powerpc/kvm/book3s_64_mmu_hv.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
> index dab68b7..0905c8f 100644
> --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
> +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
> @@ -774,14 +774,12 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
>  
>  int kvm_unmap_hva_hv(struct kvm *kvm, unsigned long hva)
>  {
> -	kvm_handle_hva(kvm, hva, kvm_unmap_rmapp);
> -	return 0;
> +	return kvm_handle_hva(kvm, hva, kvm_unmap_rmapp);
>  }
>  
>  int kvm_unmap_hva_range_hv(struct kvm *kvm, unsigned long start, unsigned long end)
>  {
> -	kvm_handle_hva_range(kvm, start, end, kvm_unmap_rmapp);
> -	return 0;
> +	return kvm_handle_hva_range(kvm, start, end, kvm_unmap_rmapp);
>  }
>  
>  void kvmppc_core_flush_memslot_hv(struct kvm *kvm,
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/