From: Heinz Graalfs <graa...@linux.vnet.ibm.com> Handle busy conditions (errno=EAGAIN) in char layer by using the new char layer in the sclp console.
Signed-off-by: Heinz Graalfs <graa...@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntrae...@de.ibm.com> --- hw/char/sclpconsole.c | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/hw/char/sclpconsole.c b/hw/char/sclpconsole.c index bcc7893..eb3988c 100644 --- a/hw/char/sclpconsole.c +++ b/hw/char/sclpconsole.c @@ -184,8 +184,6 @@ static int read_event_data(SCLPEvent *event, EventBufferHeader *evt_buf_hdr, static ssize_t write_console_data(SCLPEvent *event, const uint8_t *buf, size_t len) { - ssize_t ret = 0; - const uint8_t *iov_offset; SCLPConsole *scon = DO_UPCAST(SCLPConsole, event, event); if (!scon->chr) { @@ -193,21 +191,7 @@ static ssize_t write_console_data(SCLPEvent *event, const uint8_t *buf, return len; } - iov_offset = buf; - while (len > 0) { - ret = qemu_chr_fe_write(scon->chr, buf, len); - if (ret == 0) { - /* a pty doesn't seem to be connected - no error */ - len = 0; - } else if (ret == -EAGAIN || (ret > 0 && ret < len)) { - len -= ret; - iov_offset += ret; - } else { - len = 0; - } - } - - return ret; + return qemu_chr_fe_write_all(scon->chr, buf, len); } static int write_event_data(SCLPEvent *event, EventBufferHeader *evt_buf_hdr) -- 1.8.1.4