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ASoC: rt298: fix null deref on acpi driver data

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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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vinod Koul 2016-05-12 09:38:49 +05:30 committed by Mark Brown
parent f55532a0c0
commit bb7cb54b38
1 changed files with 1 additions and 1 deletions
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2
sound/soc/codecs/rt298.c
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@ -1184,7 +1184,7 @@ 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;
}