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iio: imu: adis16400: release allocated memory on failure

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[ Upstream commit ab612b1daf415b62c58e130cb3d0f30b255a14d0 ]

In adis_update_scan_mode, if allocation for adis->buffer fails,
previously allocated adis->xfer needs to be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Navid Emamdoost 2019-09-19 10:50:02 -05:00 • committed by Greg Kroah-Hartman
parent f2824a0207
commit 4a4206a83f
1 changed files with 4 additions and 1 deletions

5
drivers/iio/imu/adis_buffer.c
View file

@ -39,8 +39,11 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);
if (!adis->buffer)
if (!adis->buffer) {
kfree(adis->xfer);
adis->xfer = NULL;
return -ENOMEM;
}
rx = adis->buffer;
tx = rx + scan_count;