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From: Peng Tao <bergwolf at gmail.com> Date: Wed, 1 Mar 2017 11:56:24 +0800 > So that we can cancel a queued pkt later if necessary. > > Reviewed-by: Stefan Hajnoczi <stefanha at redhat.com> > Signed-off-by: Peng Tao <bergwolf at gmail.com> > --- > include/linux/virtio_vsock.h | 2 ++ > net/vmw_vsock/virtio_transport_common.c | 7 +++++++ >

From: Peng Tao <bergwolf at gmail.com> Date: Wed, 1 Mar 2017 11:56:24 +0800 > So that we can cancel a queued pkt later if necessary. > > Reviewed-by: Stefan Hajnoczi <stefanha at redhat.com> > Signed-off-by: Peng Tao <bergwolf at gmail.com> > --- > include/linux/virtio_vsock.h | 2 ++ > net/vmw_vsock/virtio_transport_common.c | 7 +++++++ >

...Stefan: "This field is just an opaque token used for cancellation rather than a struct vsock_sock pointer that we are allowed to dereference. You could change this field to void *cancel_token to make the code harder to misuse." Ref: https://www.mail-archive.com/netdev at vger.kernel.org/msg142550.html Cheers, Tao