From c01a3b2c1c4e6f82d45c5f66c5d97cce704c7371 Mon Sep 17 00:00:00 2001
From: Michal Ratajsky <michal.ratajsky@gmail.com>
Date: Mon, 27 Oct 2014 21:31:47 +0100
Subject: alsa: Make sure not to create empty switches

---
 backends/alsa/alsa-device.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'backends')

diff --git a/backends/alsa/alsa-device.c b/backends/alsa/alsa-device.c
index 03dd7c0..243e4ad 100644
--- a/backends/alsa/alsa-device.c
+++ b/backends/alsa/alsa-device.c
@@ -669,6 +669,9 @@ add_switch (AlsaDevice *device, AlsaStream *stream, snd_mixer_elem_t *el)
             g_warning ("Failed to read switch item name: %s", snd_strerror (ret));
     }
 
+    if G_UNLIKELY (options == NULL)
+        return FALSE;
+
     get_switch_info (el, &name, &label, &role);
 
     /* Takes ownership of options */
-- 
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