linux-kernel - Re: [PATCH][resend] KVM: fix error handling in svm_cpu

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Message-ID: <b7a41c2ec0e644119180ba61d10ab4b9@huawei.com>
Date:   Thu, 20 Feb 2020 08:40:36 +0000
From:   linmiaohe <linmiaohe@...wei.com>
To:     "Li,Rongqing" <lirongqing@...du.com>
CC:     Liran Alon <liran.alon@...cle.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>
Subject: Re: [PATCH][resend] KVM: fix error handling in svm_cpu_init

Li,Rongqing <lirongqing@...du.com> writes:
>> Hi,
>> Li RongQing <lirongqing@...du.com> writes:
>> >
>> >sd->save_area should be freed in error path
>> Oh, it's strange. This is already fixed in my previous patch : [PATCH v2] KVM:
>> SVM: Fix potential memory leak in svm_cpu_init().
>> And Vitaly and Liran gave me Reviewed-by tags and Paolo queued it one 
>> month ago. But I can't found it in master or queue branch. There might 
>> be something wrong. :(
>
>In fact, I send this patch 2019/02/, and get Reviewed-by,  but did not queue
>
>https://patchwork.kernel.org/patch/10853973/
>
>and resend it 2019/07
>
>https://patchwork.kernel.org/patch/11032081/
>

Oh, it's really a pit. And in this case, we can get rid of the var r as '-ENOMEM' is actually the only possible outcome here, as
suggested by Vitaly, which looks like this: https://lkml.org/lkml/2020/1/15/933
Thanks. :)