Correct ftdi_poll_modem_status() result code

[libftdi] / src / ftdi.c

diff --git a/src/ftdi.c b/src/ftdi.c
index f2853d3..c53d7aa 100644 (file)
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -669,12 +669,12 @@ int ftdi_usb_open_desc_index(struct ftdi_context *ftdi, int vendor, int product,
             {
                 if (libusb_get_string_descriptor_ascii(ftdi->usb_dev, desc.iProduct, (unsigned char *)string, sizeof(string)) < 0)
                 {
-                    libusb_close (ftdi->usb_dev);
+                    ftdi_usb_close_internal (ftdi);
                     ftdi_error_return_free_device_list(-8, "unable to fetch product description", devs);
                 }
                 if (strncmp(string, description, sizeof(string)) != 0)
                 {
-                    libusb_close (ftdi->usb_dev);
+                    ftdi_usb_close_internal (ftdi);
                     continue;
                 }
             }
@@ -1984,7 +1984,7 @@ int ftdi_poll_modem_status(struct ftdi_context *ftdi, unsigned short *status)
     if (libusb_control_transfer(ftdi->usb_dev, FTDI_DEVICE_IN_REQTYPE, SIO_POLL_MODEM_STATUS_REQUEST, 0, ftdi->index, (unsigned char *)usb_val, 2, ftdi->usb_read_timeout) != 2)
         ftdi_error_return(-1, "getting modem status failed");
 
-    *status = (usb_val[1] << 8) | usb_val[0];
+    *status = (usb_val[1] << 8) | (usb_val[0] & 0xFF);
 
     return 0;
 }