From 0e95f6a22ad464b7493135c701b722e551d37900 Mon Sep 17 00:00:00 2001
From: laforge <laforge@e0336214-984f-0b4b-a45f-81c69e1f0ede>
Date: Wed, 14 Jun 2006 19:46:44 +0000
Subject: fix tx chaining

git-svn-id: https://svn.gnumonks.org/trunk/librfid@1824 e0336214-984f-0b4b-a45f-81c69e1f0ede
---
 src/rfid_proto_tcl.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/rfid_proto_tcl.c b/src/rfid_proto_tcl.c
index 66f1edd..b7577e3 100644
--- a/src/rfid_proto_tcl.c
+++ b/src/rfid_proto_tcl.c
@@ -517,11 +517,6 @@ tcl_transceive(struct rfid_protocol_handle *h,
 	unsigned char ack[10];
 	unsigned int ack_len;
 
-	if (tx_len > max_net_tx_framesize(th)) {
-		/* slow path: we need to use chaining */
-		return -1;
-	}
-
 	tx_buf = malloc(tcl_prlg_len(th) + tx_len);
 	if (!tx_buf) {
 		ret = -ENOMEM;
@@ -546,6 +541,12 @@ tcl_transceive(struct rfid_protocol_handle *h,
 	_rx_len = *rx_len;
 	*rx_len = 0;
 
+
+	if (_tx_len > max_net_tx_framesize(th)+prlg_len) {
+		/* slow path: we need to use chaining */
+		_tx_len = max_net_tx_framesize(th)+prlg_len;
+	}
+
 do_tx:
 	ret = rfid_layer2_transceive(h->l2h, l2_to_frame(h->l2h->l2->id),
 				     _tx, _tx_len,
-- 
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