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>

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>
Kevin Strasser · Mark Brown
1 parent f5d40b400f
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
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);
...	...	@@ -43,7 +43,7 @@
43	43	#include "sst.h"
44	44
45	45	struct sst_machines {
46		- char codec_id[32];
	46	+ char *codec_id;
47	47	char board[32];
48	48	char machine[32];
49	49	void (*machine_quirk)(void);