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 f59972a28d2458f8630d282157049b6a026a6627..3abc29e8a9287d133636d97fe74a96687c953bc0 100644 (file)
--- 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);