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From 8f143ae501a5bd1010dc4526ff8e0e85c4d2baf1 Mon Sep 17 00:00:00 2001
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From: Fam Zheng <famz@redhat.com>
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Date: Thu, 18 May 2017 09:21:29 +0200
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Subject: [PATCH 16/18] serial: simplify tsr_retry reset
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RH-Author: Fam Zheng <famz@redhat.com>
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Message-id: <20170518092131.16571-17-famz@redhat.com>
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Patchwork-id: 75307
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O-Subject: [RHEL-7.4 qemu-kvm PATCH v3 16/18] serial: simplify tsr_retry reset
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Bugzilla: 1451470
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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From: Paolo Bonzini <pbonzini@redhat.com>
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Move common code outside the if, and reset tsr_retry even in loopback mode.
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Right now it cannot become non-zero, but it will be possible as soon as
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we start respecting the baud rate.
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Tested-by: Bret Ketchum <bcketchum@gmail.com>
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Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit bce933b85a34514fe34fa559be1d8ccd1f39f954)
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/char/serial.c | 4 +---
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1 file changed, 1 insertion(+), 3 deletions(-)
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diff --git a/hw/char/serial.c b/hw/char/serial.c
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index afa1932..fdda802 100644
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--- a/hw/char/serial.c
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+++ b/hw/char/serial.c
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@@ -254,10 +254,8 @@ static gboolean serial_xmit(GIOChannel *chan, GIOCondition cond, void *opaque)
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s->tsr_retry++;
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return FALSE;
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}
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- s->tsr_retry = 0;
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- } else {
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- s->tsr_retry = 0;
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}
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+ s->tsr_retry = 0;
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/* Transmit another byte if it is already available. It is only
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possible when FIFO is enabled and not empty. */
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--
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1.8.3.1
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