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USB: Fix alignment of buffer passed down to ->hub_control()

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Implementations assume the buffer is at least 4 byte aligned.

Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mikael Pettersson 2006-09-23 17:05:31 -07:00 committed by Greg Kroah-Hartman
parent a14848275b
commit 54bee6e1b4
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/core/hcd.c
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@ -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;