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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2016-10-22 12:52:59 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-10-24 15:27:21 +0200 |
| commit | fa394ed625731c18f904578903718bf16617fe92 (patch) | |
| tree | 224ba9825ba286e3fcffc48394a3a4c1afbc9531 /hw/char/lm32_juart.c | |
| parent | c39860e6dc90f6ee2e82ee078f978c5d7f3df86a (diff) | |
| download | qemu-fa394ed625731c18f904578903718bf16617fe92.zip qemu-fa394ed625731c18f904578903718bf16617fe92.tar.gz qemu-fa394ed625731c18f904578903718bf16617fe92.tar.bz2 | |
char: make some qemu_chr_fe skip if no driver
In most cases, front ends do not care about the side effect of
CharBackend, so we can simply skip the checks and call the qemu_chr_fe
functions even without associated CharDriver.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022095318.17775-20-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/char/lm32_juart.c')
| -rw-r--r-- | hw/char/lm32_juart.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/hw/char/lm32_juart.c b/hw/char/lm32_juart.c index 9629e9e..febb412 100644 --- a/hw/char/lm32_juart.c +++ b/hw/char/lm32_juart.c @@ -75,11 +75,9 @@ void lm32_juart_set_jtx(DeviceState *d, uint32_t jtx) trace_lm32_juart_set_jtx(s->jtx); s->jtx = jtx; - if (s->chr.chr) { - /* XXX this blocks entire thread. Rewrite to use - * qemu_chr_fe_write and background I/O callbacks */ - qemu_chr_fe_write_all(&s->chr, &ch, 1); - } + /* XXX this blocks entire thread. Rewrite to use + * qemu_chr_fe_write and background I/O callbacks */ + qemu_chr_fe_write_all(&s->chr, &ch, 1); } void lm32_juart_set_jrx(DeviceState *d, uint32_t jtx) @@ -120,10 +118,8 @@ static void lm32_juart_realize(DeviceState *dev, Error **errp) { LM32JuartState *s = LM32_JUART(dev); - if (s->chr.chr) { - qemu_chr_fe_set_handlers(&s->chr, juart_can_rx, juart_rx, - juart_event, s, NULL); - } + qemu_chr_fe_set_handlers(&s->chr, juart_can_rx, juart_rx, + juart_event, s, NULL); } static const VMStateDescription vmstate_lm32_juart = { |