From 7774c3369e1484dc5dec6d7d9572e0a57e9c5302 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max.kellermann@gmail.com>
Date: Tue, 5 Nov 2024 22:37:27 +0100
Subject: [PATCH] filter/two: check empty() instead of data()==nullptr

See bcab29d53a8981993444c5d5fda642bc82ccd73f
---
 src/filter/plugins/TwoFilters.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/filter/plugins/TwoFilters.cxx b/src/filter/plugins/TwoFilters.cxx
index ee67d9073..a7597c527 100644
--- a/src/filter/plugins/TwoFilters.cxx
+++ b/src/filter/plugins/TwoFilters.cxx
@@ -23,7 +23,7 @@ TwoFilters::FilterPCM(std::span<const std::byte> src)
 std::span<const std::byte>
 TwoFilters::Flush()
 {
-	if (auto result = first->Flush(); result.data() != nullptr)
+	if (auto result = first->Flush(); !result.empty())
 		/* Flush() output from the first Filter must be
 		   filtered by the second Filter */
 		return second->FilterPCM(result);