-----Original Message----- From: Vinod Koul [mailto:vinod.koul@intel.com] Sent: Thursday, May 12, 2016 12:09 PM To: alsa-devel@alsa-project.org Cc: broonie@kernel.org; liam.r.girdwood@linux.intel.com; patches.audio@intel.com; Bard Liao; Vinod Koul; Senthilnathan Veppur Subject: [PATCH 1/2] ASoC: rt298: fix null deref on acpi driver data
ACPI driver data can be NULL so we need to check that before dereference the driver data.
Signed-off-by: Senthilnathan Veppur senthilnathanx.veppur@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com
Acked-by: Bard Liao bardliao@realtek.com
sound/soc/codecs/rt298.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/rt298.c b/sound/soc/codecs/rt298.c index 68cf8d5a174f..45dc5fa24961 100644 --- a/sound/soc/codecs/rt298.c +++ b/sound/soc/codecs/rt298.c @@ -1179,7 +1179,7 @@ static int rt298_i2c_probe(struct i2c_client *i2c,
/* enable jack combo mode on supported devices */ acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
- if (acpiid) {
- if (acpiid && acpiid->driver_data) { rt298->pdata = *(struct rt298_platform_data *) acpiid->driver_data; }
-- 1.9.1