Re: [Qemu-devel] [PATCH v4 0/4] QOM'ify hw/char devices

[Paolo Bonzini]

On 20/05/2016 04:41, xiaoqiang zhao wrote:
> 
> It seems that qemu_char_get_next_serial()  call the qemu_chr_fe_claim,
> which is also called by
> qdev_prop_set_chr ! This cause chr->avail_connectinos less than 1. as
> the error message said:
> "it's in use".
> A stright fix is to call the qemu_chr_fe_release after
> qemu_char_get_next_serial and the call the
> qdev_prop_set_chr, the error is gone! I have test with your test cases
> and it works.
> 
> Or another way, can we modify qemu_char_get_next_serial and just skip
> the call of qemu_chr_fe_claim?

You can replace calls to qemu_char_get_next_serial() with direct access
to serial_hds[0], serial_hds[1], etc.  Please do this for etrax_ser too.

Paolo