usb: Skip add/remove of FD on destroyed source

[libsigrok.git] / src / hardware / norma-dmm / protocol.c

diff --git a/src/hardware/norma-dmm/protocol.c b/src/hardware/norma-dmm/protocol.c
index 2c700ad5702eb8b42a392aa0ec8ba4ec17fd623c..35b1195723128a89994ea1aa1a1eb043983c9ccc 100644 (file)
--- a/src/hardware/norma-dmm/protocol.c
+++ b/src/hardware/norma-dmm/protocol.c
@@ -22,6 +22,7 @@
  *  @internal
  */
 
+#include <config.h>
 #include "protocol.h"
 
 #define LINE_LENGTH 20
@@ -50,7 +51,8 @@ static int nma_send_req(const struct sr_dev_inst *sdi, int req, char *params)
        devc->last_req = req;
        devc->last_req_pending = TRUE;
 
-       if (serial_write_blocking(serial, buf, len, 0) < 0) {
+       if (serial_write_blocking(serial, buf, len,
+                       serial_timeout(serial, len)) < 0) {
                sr_err("Unable to send request.");
                devc->last_req_pending = FALSE;
                return SR_ERR;