From 6a9b2b82244057e2146929acf7ba296bce4eeab4 Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Date: Sun, 23 Jan 2022 16:55:38 +0100
Subject: [PATCH] hosted/ftdi: Fix bad length calculation in MPSSE case of
 swdptap_seq_in()

---
 src/platforms/hosted/libftdi_swdptap.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/platforms/hosted/libftdi_swdptap.c b/src/platforms/hosted/libftdi_swdptap.c
index 4878437..3bf6989 100644
--- a/src/platforms/hosted/libftdi_swdptap.c
+++ b/src/platforms/hosted/libftdi_swdptap.c
@@ -305,7 +305,10 @@ static uint32_t swdptap_seq_in(int ticks)
 	if (do_mpsse) {
 		uint8_t DO[4];
 		libftdi_jtagtap_tdi_tdo_seq(DO, 0, NULL, ticks);
-		for (int i = 0; i < (ticks >> 3) + (ticks  & 7)? 1: 0; i++) {
+		int bytes = ticks >> 3;
+		if (ticks & 7)
+			bytes++;
+		for (int i = 0; i < bytes; i++) {
 			result |= DO[i] << (8 * i);
 		}
 	} else {