agilent-dmm: don't log anything if no conn params given

This commit is contained in:
Bert Vermeulen 2012-09-16 23:43:47 +02:00
parent e9022f596d
commit c2016fa0eb
1 changed files with 1 additions and 7 deletions

View File

@ -174,14 +174,8 @@ static GSList *hw_scan(GSList *options)
break;
}
}
if (!conn) {
sr_dbg("no serial port provided");
if (!conn || !serialcomm)
return NULL;
}
if (!serialcomm) {
sr_dbg("no serial communication parameters provided");
return NULL;
}
if ((fd = serial_open(conn, O_RDWR|O_NONBLOCK)) == -1) {
sr_err("agilent-dmm: unable to open %s: %s", conn, strerror(errno));