input/last: add nullptr check to Open(), fixes assertion failure

Closes https://github.com/MusicPlayerDaemon/MPD/issues/1168

input/last: add nullptr check to Open(), fixes assertion failure
0e49de86 · Max Kellermann · f2e45297 · 0e49de86 · 0e49de86
Commit 0e49de86 authored May 21, 2021 by Max Kellermann
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NEWS NEWS +1 -0

LastInputStream.hxx src/input/LastInputStream.hxx +2 -1

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--- a/NEWS
+++ b/NEWS
 ver 0.22.8 (not yet released)
+* fix crash bug in "albumart" command (0.22.7 regression)

 ver 0.22.7 (2021/05/19)
 * protocol

--- a/src/input/LastInputStream.hxx
+++ b/src/input/LastInputStream.hxx
@@ -69,7 +69,8 @@ public:

 		is = open(new_uri, mutex);
 		uri = std::forward<U>(new_uri);
-		ScheduleClose();
+		if (is)
+			ScheduleClose();
 		return is.get();
 	}