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SubjectRe: [PATCH -next] KVM: s390: Return the correct errno code
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On 04.02.21 09:32, Cornelia Huck wrote:
> On Thu, 4 Feb 2021 16:05:23 +0800
> Zheng Yongjun <zhengyongjun3@huawei.com> wrote:
>
>> When valloc failed, should return ENOMEM rather than ENOBUF.
>>
>> Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
>> ---
>> arch/s390/kvm/interrupt.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
>> index 2f177298c663..6b7acc27cfa2 100644
>> --- a/arch/s390/kvm/interrupt.c
>> +++ b/arch/s390/kvm/interrupt.c
>> @@ -2252,7 +2252,7 @@ static int get_all_floating_irqs(struct kvm *kvm, u8 __user *usrbuf, u64 len)
>> */
>> buf = vzalloc(len);
>> if (!buf)
>> - return -ENOBUFS;
>> + return -ENOMEM;
>>
>> max_irqs = len / sizeof(struct kvm_s390_irq);
>>
>
> This breaks a user space interface (see the comment right above the
> vzalloc).


Right. Please do not send (generated?) patches without looking at the code
that you are patching.

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