openbench-logic-sniffer: Avoid recreating event source

[libsigrok.git] / src / hardware / openbench-logic-sniffer / protocol.c

diff --git a/src/hardware/openbench-logic-sniffer/protocol.c b/src/hardware/openbench-logic-sniffer/protocol.c
index eb848cf9b8c4f5fe0e17bba769611aa62eb6f15a..6fb6b44fb087be9f3321f9d049c245d7854ae39d 100644 (file)
--- a/src/hardware/openbench-logic-sniffer/protocol.c
+++ b/src/hardware/openbench-logic-sniffer/protocol.c
@@ -344,16 +344,12 @@ SR_PRIV int ols_receive_data(int fd, int revents, void *cb_data)
        serial = sdi->conn;
        devc = sdi->priv;
 
+       if (devc->num_transfers == 0 && revents == 0) {
+               /* Ignore timeouts as long as we haven't received anything */
+               return TRUE;
+       }
+
        if (devc->num_transfers++ == 0) {
-               /*
-                * First time round, means the device started sending data,
-                * and will not stop until done. If it stops sending for
-                * longer than it takes to send a byte, that means it's
-                * finished. We'll double that to 30ms to be sure...
-                */
-               serial_source_remove(sdi->session, serial);
-               serial_source_add(sdi->session, serial, G_IO_IN, 30,
-                               ols_receive_data, cb_data);
                devc->raw_sample_buf = g_try_malloc(devc->limit_samples * 4);
                if (!devc->raw_sample_buf) {
                        sr_err("Sample buffer malloc failed.");