From 4740dd97bf54d67f0edef80e1b9e86c04c8ed402 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 23 May 2018 10:33:40 +0200
Subject: pcm: add missing flags initialization for the fallback control data

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c
index a728b23b..59a24200 100644
--- a/src/pcm/pcm_hw.c
+++ b/src/pcm/pcm_hw.c
@@ -1018,7 +1018,7 @@ static int map_status_and_control_data(snd_pcm_t *pcm, bool force_fallback)
 	snd_pcm_set_appl_ptr(pcm, &hw->mmap_control->appl_ptr, hw->fd,
 			     SNDRV_PCM_MMAP_OFFSET_CONTROL);
 	if (hw->mmap_control_fallbacked) {
-		unsigned int flags;
+		unsigned int flags = 0;
 		/* read appl_ptr and avail_min from kernel when device opened
 		 * with SND_PCM_APPEND flag
 		 */
