In the tcp_chr_write function, we checked errno,
but errno was not reset before a read or write operation.
Therefore, this check of errno's actions is often
incorrect after EAGAIN has occurred.
we need check errno together with ret < 0.
Signed-off-by: xinhua.Cao <caoxinhua@huawei.com>
Message-Id: <20180704033642.15996-1-caoxinhua@huawei.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Fixes:
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.. | ||
Makefile.objs | ||
baum.c | ||
char-console.c | ||
char-fd.c | ||
char-fe.c | ||
char-file.c | ||
char-io.c | ||
char-mux.c | ||
char-null.c | ||
char-parallel.c | ||
char-pipe.c | ||
char-pty.c | ||
char-ringbuf.c | ||
char-serial.c | ||
char-socket.c | ||
char-stdio.c | ||
char-udp.c | ||
char-win-stdio.c | ||
char-win.c | ||
char.c | ||
msmouse.c | ||
spice.c | ||
testdev.c | ||
trace-events | ||
wctablet.c |