norma-dmm: Mark serial read call as nonblocking.

This call was already nonblocking since the driver opens the port with the
SERIAL_NONBLOCK flag. It only reads one byte, and a zero result is handled
appropriately.
This commit is contained in:
Martin Ling 2014-09-21 19:11:23 +01:00 committed by Uwe Hermann
parent 5b980134c5
commit 32950cc071
1 changed files with 1 additions and 1 deletions

View File

@ -391,7 +391,7 @@ SR_PRIV int norma_dmm_receive_data(int fd, int revents, void *cb_data)
if (revents == G_IO_IN) {
/* Serial data arrived. */
while (NMADMM_BUFSIZE - devc->buflen - 1 > 0) {
len = serial_read(serial, devc->buf + devc->buflen, 1);
len = serial_read_nonblocking(serial, devc->buf + devc->buflen, 1);
if (len < 1)
break;
devc->buflen += len;