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usb: kbd: Fix unaligned buffer usage in usb_kbd_setled()

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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2014-09-20 16:51:26 +02:00 committed by Marek Vasut
parent 36b73109c4
commit 9b2393812e
1 changed files with 3 additions and 2 deletions
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5
common/usb_kbd.c
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@ -170,11 +170,12 @@ static void usb_kbd_setled(struct usb_device *dev)
{
struct usb_interface *iface = &dev->config.if_desc[0];
struct usb_kbd_pdata *data = dev->privptr;
uint32_t leds = data->flags & USB_KBD_LEDMASK;
ALLOC_ALIGN_BUFFER(uint32_t, leds, 1, USB_DMA_MINALIGN);
*leds = data->flags & USB_KBD_LEDMASK;
usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
0x200, iface->desc.bInterfaceNumber, (void *)&leds, 1, 0);
0x200, iface->desc.bInterfaceNumber, leds, 1, 0);
}
#define CAPITAL_MASK 0x20