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iio: imu: adis16400: fix memory leak

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[ Upstream commit 9c0530e898f384c5d279bfcebd8bb17af1105873 ]

In adis_update_scan_mode_burst, if adis->buffer allocation fails release
the adis->xfer.

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:
Sasha Levin 2020-07-30 19:14:12 -04:00 • committed by Greg Kroah-Hartman
parent 17271f33fd
commit c57c213538
1 changed files with 4 additions and 1 deletions

5
drivers/iio/imu/adis16400_buffer.c
View file

@ -38,8 +38,11 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kzalloc(burst_length + sizeof(u16), GFP_KERNEL);
if (!adis->buffer)
if (!adis->buffer) {
kfree(adis->xfer);
adis->xfer = NULL;
return -ENOMEM;
}
tx = adis->buffer + burst_length;
tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD);