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[Qemu-devel] [PATCH] cadence_uart: Handle backend tx errors
From: |
edgar . iglesias |
Subject: |
[Qemu-devel] [PATCH] cadence_uart: Handle backend tx errors |
Date: |
Tue, 18 Jun 2013 12:14:11 +0200 |
From: "Edgar E. Iglesias" <address@hidden>
Signed-off-by: Edgar E. Iglesias <address@hidden>
---
hw/char/cadence_uart.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/hw/char/cadence_uart.c b/hw/char/cadence_uart.c
index c2a7834..2219a0e 100644
--- a/hw/char/cadence_uart.c
+++ b/hw/char/cadence_uart.c
@@ -298,7 +298,12 @@ static void uart_write_tx_fifo(UartState *s, const uint8_t
*buf, int size)
}
while (size) {
- size -= qemu_chr_fe_write(s->chr, buf, size);
+ int r;
+ r = qemu_chr_fe_write_all(s->chr, buf, size);
+ if (r < 0) {
+ break;
+ }
+ size -= r;
}
}
--
1.7.10.4
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