Commit 98fab4c1 authored by Peng Hao's avatar Peng Hao Committed by Paolo Bonzini
Browse files

chardev: fix parallel device can't be reconnect 



Parallel device don't register be->chr_can_read function, but remote
disconnect event is handled in chr_read.So connected parallel device
can not detect remote disconnect event. The chardevs with chr_can_read=NULL
has the same problem.

Signed-off-by: default avatarPeng Hao <peng.hao2@zte.com.cn>
Reviewed-by: default avatarWang Yechao <wang.yechao255@zte.com.cn>
Reviewed-by: default avatarJiang Biao <jiang.biao2@zte.com.cn>
Message-Id: <1499874119-67558-1-git-send-email-peng.hao2@zte.com.cn>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 5a6a1ad1

hw/char/parallel.c

+6 −0
Original line number Diff line number Diff line
@@ -503,6 +503,10 @@ static const VMStateDescription vmstate_parallel_isa = { 
    }

};



static int parallel_can_receive(void *opaque)

{

     return 1;

}



static void parallel_isa_realizefn(DeviceState *dev, Error **errp)

{
@@ -535,6 +539,8 @@ static void parallel_isa_realizefn(DeviceState *dev, Error **errp) 
    isa_init_irq(isadev, &s->irq, isa->isairq);

    qemu_register_reset(parallel_reset, s);



    qemu_chr_fe_set_handlers(&s->chr, parallel_can_receive, NULL,

                             NULL, NULL, s, NULL, true);

    if (qemu_chr_fe_ioctl(&s->chr, CHR_IOCTL_PP_READ_STATUS, &dummy) == 0) {

        s->hw_driver = 1;

        s->status = dummy;