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Commit 54bee6e1 authored by Mikael Pettersson's avatar Mikael Pettersson Committed by Greg Kroah-Hartman
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USB: Fix alignment of buffer passed down to ->hub_control() 



Implementations assume the buffer is at least 4 byte aligned.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a1484827

drivers/usb/core/hcd.c

+2 −1
Original line number Diff line number Diff line
@@ -345,7 +345,8 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) 
	struct usb_ctrlrequest *cmd;

 	u16		typeReq, wValue, wIndex, wLength;

	u8		*ubuf = urb->transfer_buffer;

	u8		tbuf [sizeof (struct usb_hub_descriptor)];

	u8		tbuf [sizeof (struct usb_hub_descriptor)]

		__attribute__((aligned(4)));

	const u8	*bufp = tbuf;

	int		len = 0;

	int		patch_wakeup = 0;