From 313aa6b93245851f57701142ff3a4a22c8a72e1c Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Thu, 9 Nov 2017 21:01:13 +0100 Subject: [PATCH] Fix a crash if exiting while we are still trying to re-find an ALSA card from a loaded mapping. --- alsa_input.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/alsa_input.cpp b/alsa_input.cpp index b5fe3cb..7230abe 100644 --- a/alsa_input.cpp +++ b/alsa_input.cpp @@ -184,7 +184,9 @@ void ALSAInput::capture_thread_func() if (should_quit.should_quit()) { // Don't call free_card(); that would be a deadlock. - WARN_ON_ERROR("snd_pcm_close()", snd_pcm_close(pcm_handle)); + if (pcm_handle) { + WARN_ON_ERROR("snd_pcm_close()", snd_pcm_close(pcm_handle)); + } pcm_handle = nullptr; return; } -- 2.39.2