Use correct payload size for two-operand lock transactions.

1 files changed, 2 insertions, 2 deletions

diff --git a/juju/raw1394.c b/juju/raw1394.c
index 56bd104..7f73b3b 100644
--- a/juju/raw1394.c
+++ b/juju/raw1394.c
@@ -1066,7 +1066,7 @@ setup_lock(int extcode, quadlet_t data, quadlet_t arg, quadlet_t *buffer)
 	case RAW1394_EXTCODE_WRAP_ADD:
 		buffer[0] = arg;
 		buffer[1] = data;
-		return sizeof buffer;
+		return 2 * sizeof buffer[0];
 
 	default:
 		errno = EINVAL;
@@ -1089,7 +1089,7 @@ setup_lock64(int extcode, octlet_t data, octlet_t arg, octlet_t *buffer)
 	case RAW1394_EXTCODE_WRAP_ADD:
 		buffer[0] = arg;
 		buffer[1] = data;
-		return sizeof buffer;
+		return 2 * sizeof buffer[0];
 
 	default:
 		errno = EINVAL;