Update 2.6.38 to 2.6.38.2
[openwrt/openwrt.git] / target / linux / generic / patches-2.6.38 / 801-usb_serial_endpoint_size.patch
index 3725b922ce3b6a8d64e0c299006bb92af1458429..726dc7dd53548571501c2ef63c4836ec6bb90cc8 100644 (file)
@@ -1,5 +1,7 @@
---- a/drivers/usb/serial/usb-serial.c
-+++ b/drivers/usb/serial/usb-serial.c
+Index: linux-2.6.38.1/drivers/usb/serial/usb-serial.c
+===================================================================
+--- linux-2.6.38.1.orig/drivers/usb/serial/usb-serial.c        2011-03-23 21:04:47.000000000 +0100
++++ linux-2.6.38.1/drivers/usb/serial/usb-serial.c     2011-03-28 16:58:26.673254994 +0200
 @@ -61,6 +61,7 @@ static struct usb_driver usb_serial_driv
     drivers depend on it.
  */
  static int debug;
  /* initially all NULL */
  static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
-@@ -913,7 +914,7 @@ int usb_serial_probe(struct usb_interfac
+@@ -912,7 +913,8 @@ int usb_serial_probe(struct usb_interfac
+                       goto probe_error;
                }
-               buffer_size = serial->type->bulk_in_size;
-               if (!buffer_size)
--                      buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
-+                      buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
+               buffer_size = max_t(int, serial->type->bulk_in_size,
+-                              le16_to_cpu(endpoint->wMaxPacketSize));
++                                       min_t(int, le16_to_cpu(endpoint->wMaxPacketSize),
++                                                  maxSize));
                port->bulk_in_size = buffer_size;
                port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
                port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
-@@ -1392,3 +1393,5 @@ MODULE_LICENSE("GPL");
+@@ -1391,3 +1393,5 @@ MODULE_LICENSE("GPL");
  
  module_param(debug, bool, S_IRUGO | S_IWUSR);
  MODULE_PARM_DESC(debug, "Debug enabled or not");