Re: [RFC PATCH v3 2/4] vsock/vmci: convert VMCI error code to -ENOMEM on receive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




> On Mar 30, 2023, at 1:18 PM, Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx> wrote:
> 
> !! External Email
> 
> On 30.03.2023 23:13, Arseniy Krasnov wrote:
>> This adds conversion of VMCI specific error code to general -ENOMEM. It
>> is needed, because af_vsock.c passes error value returned from transport
>> to the user, which does not expect to get VMCI_ERROR_* values.
> 
> @Stefano, I have some doubts about this commit message, as it says "... af_vsock.c
> passes error value returned from transport to the user ...", but this
> behaviour is implemented only in the next patch. Is it ok, if both patches
> are in a single patchset?
> 
> For patch 1 I think it is ok, as it fixes current implementation.
> 
> Thanks, Arseniy
> 
>> 
>> Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>

Code change looks good to me.  Will let you figure out the commit message
with Stefano. Thanks!

Reviewed-by: Vishnu Dasa <vdasa@xxxxxxxxxx>

>> ---
>> net/vmw_vsock/vmci_transport.c | 11 +++++++++--
>> 1 file changed, 9 insertions(+), 2 deletions(-)
>> 
>> diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
>> index 95cc4d79ba29..b370070194fa 100644
>> --- a/net/vmw_vsock/vmci_transport.c
>> +++ b/net/vmw_vsock/vmci_transport.c
>> @@ -1831,10 +1831,17 @@ static ssize_t vmci_transport_stream_dequeue(
>>      size_t len,
>>      int flags)
>> {
>> +     ssize_t err;
>> +
>>      if (flags & MSG_PEEK)
>> -             return vmci_qpair_peekv(vmci_trans(vsk)->qpair, msg, len, 0);
>> +             err = vmci_qpair_peekv(vmci_trans(vsk)->qpair, msg, len, 0);
>>      else
>> -             return vmci_qpair_dequev(vmci_trans(vsk)->qpair, msg, len, 0);
>> +             err = vmci_qpair_dequev(vmci_trans(vsk)->qpair, msg, len, 0);
>> +
>> +     if (err < 0)
>> +             err = -ENOMEM;
>> +
>> +     return err;
>> }
>> 
>> static ssize_t vmci_transport_stream_enqueue(
> 
> !! External Email: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender.

_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization



[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux