From 5ad08cfd96afaf05e0018f2c0246f364c5617f6f Mon Sep 17 00:00:00 2001
From: Martin Ling <martin-git@earth.li>
Date: Wed, 14 Sep 2022 15:45:30 +0100
Subject: [PATCH] Set valid_length correctly in hackrf_transfer TX callback.

---
 host/hackrf-tools/src/hackrf_transfer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/host/hackrf-tools/src/hackrf_transfer.c b/host/hackrf-tools/src/hackrf_transfer.c
index 1699a15b..78b97f61 100644
--- a/host/hackrf-tools/src/hackrf_transfer.c
+++ b/host/hackrf-tools/src/hackrf_transfer.c
@@ -512,6 +512,8 @@ int tx_callback(hackrf_transfer* transfer)
 		bytes_read = fread(transfer->buffer, 1, bytes_to_read, file);
 	}
 
+	transfer->valid_length = bytes_read;
+
 	if (limit_num_samples && (bytes_to_xfer == 0)) {
 		stop_main_loop();
 		return -1;
@@ -533,6 +535,7 @@ int tx_callback(hackrf_transfer* transfer)
 			      1,
 			      bytes_to_read - bytes_read,
 			      file);
+		transfer->valid_length = bytes_read;
 	}
 
 	return 0;