Use a separate Py_ssize_t var instead of casting an int pointer as a Py_ssize_t pointer.

[libftdi] / src / ftdi.c

diff --git a/src/ftdi.c b/src/ftdi.c
index 675f8ca..52266d0 100644 (file)
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -614,6 +614,11 @@ int ftdi_usb_open_dev(struct ftdi_context *ftdi, libusb_device *dev)
         if (libusb_detach_kernel_driver(ftdi->usb_dev, ftdi->interface) !=0)
             detach_errno = errno;
     }
+    else if (ftdi->module_detach_mode == AUTO_DETACH_REATACH_SIO_MODULE)
+    {
+        if (libusb_set_auto_detach_kernel_driver(ftdi->usb_dev, 1) != LIBUSB_SUCCESS)
+            detach_errno = errno;
+    }
 
     if (libusb_get_configuration (ftdi->usb_dev, &cfg) < 0)
         ftdi_error_return(-12, "libusb_get_configuration () failed");
@@ -1909,13 +1914,14 @@ int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunk
 int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size)
 {
     int offset = 0, ret, i, num_of_chunks, chunk_remains;
-    int packet_size = ftdi->max_packet_size;
+    int packet_size;
     int actual_length = 1;
 
     if (ftdi == NULL || ftdi->usb_dev == NULL)
         ftdi_error_return(-666, "USB device unavailable");
 
     // Packet size sanity check (avoid division by zero)
+    packet_size = ftdi->max_packet_size;
     if (packet_size == 0)
         ftdi_error_return(-1, "max_packet_size is bogus (zero)");