diff options
Diffstat (limited to 'hw/char/terminal3270.c')
| -rw-r--r-- | hw/char/terminal3270.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/hw/char/terminal3270.c b/hw/char/terminal3270.c index a9a46c8..82e85fa 100644 --- a/hw/char/terminal3270.c +++ b/hw/char/terminal3270.c @@ -200,9 +200,13 @@ static int read_payload_3270(EmulatedCcw3270Device *dev) { Terminal3270 *t = TERMINAL_3270(dev); int len; + int ret; len = MIN(ccw_dstream_avail(get_cds(t)), t->in_len); - ccw_dstream_write_buf(get_cds(t), t->inv, len); + ret = ccw_dstream_write_buf(get_cds(t), t->inv, len); + if (ret < 0) { + return ret; + } t->in_len -= len; return len; @@ -260,7 +264,10 @@ static int write_payload_3270(EmulatedCcw3270Device *dev, uint8_t cmd) t->outv[out_len++] = cmd; do { - ccw_dstream_read_buf(get_cds(t), &t->outv[out_len], len); + retval = ccw_dstream_read_buf(get_cds(t), &t->outv[out_len], len); + if (retval < 0) { + return retval; + } count = ccw_dstream_avail(get_cds(t)); out_len += len; |