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iio: adc: intel_mrfld_adc: Allocating too much data in probe()

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This probe function is passing the wrong size to devm_iio_device_alloc().
It is supposed to be the size of the private data.  Fortunately,
sizeof(*indio_dev) is larger than sizeof(struct mrfld_adc) so it doesn't
cause a runtime problem.

Fixes: a711866273 ("iio: adc: intel_mrfld_adc: Add Basin Cove ADC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Dan Carpenter 2019-11-19 09:21:24 +03:00 committed by Jonathan Cameron
parent 11d7c8d3b1
commit 1f310f77ef
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/intel_mrfld_adc.c
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@ -185,7 +185,7 @@ static int mrfld_adc_probe(struct platform_device *pdev)
int irq;
int ret;
indio_dev = devm_iio_device_alloc(dev, sizeof(*indio_dev));
indio_dev = devm_iio_device_alloc(dev, sizeof(struct mrfld_adc));
if (!indio_dev)
return -ENOMEM;