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-rw-r--r--drivers/firewire/fw-transaction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 8018c3b9df0..7fcc59dedf0 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -153,7 +153,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
int ext_tcode;
if (tcode > 0x10) {
- ext_tcode = tcode - 0x10;
+ ext_tcode = tcode & ~0x10;
tcode = TCODE_LOCK_REQUEST;
} else
ext_tcode = 0;