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-rw-r--r--drivers/firewire/core-transaction.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 2f67c8d5ce91..fcb455c08200 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -780,9 +780,11 @@ static void handle_exclusive_region_request(struct fw_card *card,
unsigned long flags;
int tcode, destination, source;
- tcode = HEADER_GET_TCODE(p->header[0]);
destination = HEADER_GET_DESTINATION(p->header[0]);
source = HEADER_GET_SOURCE(p->header[1]);
+ tcode = HEADER_GET_TCODE(p->header[0]);
+ if (tcode == TCODE_LOCK_REQUEST)
+ tcode = 0x10 + HEADER_GET_EXTENDED_TCODE(p->header[3]);
spin_lock_irqsave(&address_handler_lock, flags);
handler = lookup_enclosing_address_handler(&address_handler_list,