firewire: endianess fix

The generation of incoming requests was filled in in wrong byte order on
machines with big endian CPU.

Signed-off-by: Stefan Richter <[e-mail]>
Signed-off-by: Jarod Wilson <[e-mail]>

drivers/firewire/fw-ohci.c

···
 	 */
 
 	if (p.ack + 16 == 0x09)
-		ohci->request_generation = (buffer[2] >> 16) & 0xff;
+		ohci->request_generation = (p.header[2] >> 16) & 0xff;
 	else if (ctx == &ohci->ar_request_ctx)
 		fw_core_handle_request(&ohci->card, &p);
 	else