From 02b087c552b38dbbd2042ee8fb61dca4e56a1137 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Sun, 11 Jun 2017 01:57:28 +0200
Subject: Fix thinko in 9581cb26 - scratch-buffer can't be used recursively.

---
 libs/ardour/gain_control.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libs/ardour/gain_control.cc')

diff --git a/libs/ardour/gain_control.cc b/libs/ardour/gain_control.cc
index cbafc75ad4..f516246067 100644
--- a/libs/ardour/gain_control.cc
+++ b/libs/ardour/gain_control.cc
@@ -105,5 +105,11 @@ GainControl::inc_gain (gain_t factor)
 bool
 GainControl::get_masters_curve_locked (framepos_t start, framepos_t end, float* vec, framecnt_t veclen) const
 {
+	if (_masters.empty()) {
+		return list()->curve().rt_safe_get_vector (start, end, vec, veclen);
+	}
+	for (framecnt_t i = 0; i < veclen; ++i) {
+		vec[i] = 1.f;
+	}
 	return SlavableAutomationControl::masters_curve_multiply (start, end, vec, veclen);
 }
-- 
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