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[Qemu-devel] [PATCH] Do not ignore error, if open file failed (-serial /
From: |
Evgeniy Dushistov |
Subject: |
[Qemu-devel] [PATCH] Do not ignore error, if open file failed (-serial /dev/tty) |
Date: |
Thu, 28 Jan 2010 21:44:46 +0300 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
In case, when qemu is executed with option like
-serial /dev/ttyS0, report if there are problems with
opening of devices. At now errors are silently ignoring.
Signed-off-by: Evgeniy Dushistov <address@hidden>
---
qemu-char.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/qemu-char.c b/qemu-char.c
index 800ee6c..75dbf66 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -1180,6 +1180,9 @@ static CharDriverState *qemu_chr_open_tty(QemuOpts *opts)
int fd;
TFR(fd = open(filename, O_RDWR | O_NONBLOCK));
+ if (fd < 0) {
+ return NULL;
+ }
tty_serial_init(fd, 115200, 'N', 8, 1);
chr = qemu_chr_open_fd(fd, fd);
if (!chr) {
--
1.6.5.6
--
/Evgeniy
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