mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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4828b8d8e3
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26332 3c298f89-4303-0410-b956-a3cf2f4a3e73
29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
Index: linux-2.6.38.1/drivers/usb/serial/usb-serial.c
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===================================================================
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--- linux-2.6.38.1.orig/drivers/usb/serial/usb-serial.c 2011-03-23 21:04:47.000000000 +0100
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+++ linux-2.6.38.1/drivers/usb/serial/usb-serial.c 2011-03-28 16:58:26.673254994 +0200
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@@ -61,6 +61,7 @@ static struct usb_driver usb_serial_driv
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drivers depend on it.
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*/
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+static ushort maxSize = 0;
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static int debug;
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/* initially all NULL */
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static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
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@@ -912,7 +913,8 @@ int usb_serial_probe(struct usb_interfac
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goto probe_error;
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}
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buffer_size = max_t(int, serial->type->bulk_in_size,
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- le16_to_cpu(endpoint->wMaxPacketSize));
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+ min_t(int, le16_to_cpu(endpoint->wMaxPacketSize),
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+ maxSize));
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port->bulk_in_size = buffer_size;
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port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
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port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
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@@ -1391,3 +1393,5 @@ MODULE_LICENSE("GPL");
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module_param(debug, bool, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug enabled or not");
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+module_param(maxSize, ushort,0);
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+MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
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