From: Kevin Strasser <kevin.strasser@linux.intel.com>
Date: Tue, 16 Dec 2014 00:15:04 +0000 (-0800)
Subject: ASoC: Intel: fix possible acpi enumeration panic
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=de5f644e3ca71afc06377d137375c56e250f8cb3;p=linux-beck.git

ASoC: Intel: fix possible acpi enumeration panic

A crash can occur on some platforms where adsp is enumerated but codec is not
matched. Define codec_id as a pointer intead of an array so that it gets
initialized to NULL for the terminating element of sst_acpi_bytcr[] and
sst_acpi_chv[].

Signed-off-by: Kevin Strasser <kevin.strasser@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/intel/sst/sst_acpi.c b/sound/soc/intel/sst/sst_acpi.c
index f59972a28d24..3abc29e8a928 100644
--- a/sound/soc/intel/sst/sst_acpi.c
+++ b/sound/soc/intel/sst/sst_acpi.c
@@ -43,7 +43,7 @@
 #include "sst.h"
 
 struct sst_machines {
-	char codec_id[32];
+	char *codec_id;
 	char board[32];
 	char machine[32];
 	void (*machine_quirk)(void);