From 5a186ece0123491a68af3538972ad4abfa91cfb1 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Fri, 28 May 2021 11:38:02 +0200
Subject: [PATCH] alsa: handle plugin errors better

When the plugins can't be loaded, we fail to make a main_loop.
Handle this case instead of segfaulting.

See #1239
---
 pipewire-alsa/alsa-plugins/pcm_pipewire.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pipewire-alsa/alsa-plugins/pcm_pipewire.c b/pipewire-alsa/alsa-plugins/pcm_pipewire.c
index e046c2496..907e26f2a 100644
--- a/pipewire-alsa/alsa-plugins/pcm_pipewire.c
+++ b/pipewire-alsa/alsa-plugins/pcm_pipewire.c
@@ -1015,6 +1015,10 @@ static int snd_pcm_pipewire_open(snd_pcm_t **pcmp, const char *name,
 	}
 
 	pw->main_loop = pw_thread_loop_new("alsa-pipewire", NULL);
+	if (pw->main_loop == NULL) {
+		err = -errno;
+		goto error;
+	}
 	loop = pw_thread_loop_get_loop(pw->main_loop);
 	pw->system = loop->system;
 	if ((pw->context = pw_context_new(loop, NULL, 0)) == NULL) {