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 <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jarod Wilson <jwilson@redhat.com>
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 7ebad3c..ed4e357 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -375,7 +375,7 @@
 	 */
 
 	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