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Re: [PATCH v3 7/9] MIPS: KVM: Fix memory leak on VCPU

To: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>, <pbonzini@redhat.com>
Subject: Re: [PATCH v3 7/9] MIPS: KVM: Fix memory leak on VCPU
From: James Hogan <james.hogan@imgtec.com>
Date: Wed, 25 Jun 2014 10:28:05 +0100
Cc: <gleb@kernel.org>, <kvm@vger.kernel.org>, <sanjayl@kymasys.com>, <ralf@linux-mips.org>, <linux-mips@linux-mips.org>
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On 24/06/14 18:31, Deng-Cheng Zhu wrote:
> From: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
> 
> kvm_arch_vcpu_free() is called in 2 code paths:
> 
> 1) kvm_vm_ioctl()
>        kvm_vm_ioctl_create_vcpu()
>            kvm_arch_vcpu_destroy()
>                kvm_arch_vcpu_free()
> 2) kvm_put_kvm()
>        kvm_destroy_vm()
>            kvm_arch_destroy_vm()
>                kvm_mips_free_vcpus()
>                    kvm_arch_vcpu_free()
> 
> Neither of the paths handles VCPU free. We need to do it in
> kvm_arch_vcpu_free() corresponding to the memory allocation in
> kvm_arch_vcpu_create().
> 
> Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>

Reviewed-by: James Hogan <james.hogan@imgtec.com>

Maybe worth adding "Cc: stable@vger.kernel.org" and moving this to the
beginning of the patchset to avoid conflicts.

Cheers
James

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