[PATCH] iio: imu: adis16400: fix memory leak

From: Navid Emamdoost
Date: Wed Sep 18 2019 - 13:03:18 EST


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

Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
---
drivers/iio/imu/adis_buffer.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 9ac8356d9a95..1dbe25572a39 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -35,8 +35,10 @@ static int adis_update_scan_mode_burst(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);
return -ENOMEM;
+ }

tx = adis->buffer + burst_length;
tx[0] = ADIS_READ_REG(adis->burst->reg_cmd);
--
2.17.1