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iio: imu: inv_mpu6050: Prevent dereferencing NULL

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When id is null, with ACPI enumeration, don't dereference it.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Srinivas Pandruvada 2015-01-09 15:13:37 -08:00 committed by Jonathan Cameron
parent f2229ab861
commit 4f33fbae55
1 changed files with 5 additions and 1 deletions
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6
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
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@ -690,7 +690,11 @@ static int inv_mpu_probe(struct i2c_client *client,
i2c_set_clientdata(client, indio_dev);
indio_dev->dev.parent = &client->dev;
indio_dev->name = id->name;
/* id will be NULL when enumerated via ACPI */
if (id)
indio_dev->name = (char *)id->name;
else
indio_dev->name = (char *)dev_name(&client->dev);
indio_dev->channels = inv_mpu_channels;
indio_dev->num_channels = ARRAY_SIZE(inv_mpu_channels);