From 374de1642ee4322cc4d6aa1d2679378b8547c368 Mon Sep 17 00:00:00 2001 From: Lee Jones Date: Wed, 13 Aug 2014 11:27:34 +0100 Subject: [PATCH] iio: sensors-core: st: Check st_sensors_set_drdy_int_pin()'s return value Value from st_sensors_set_drdy_int_pin() is assigned to err here, but that stored value is not used before it is overwritten. To fix this we're enforcing a check on st_sensors_set_drdy_int_pin()'s return value and if it's an error, we're returning right away. Cc: jic23@kernel.org Cc: linux-iio@vger.kernel.org Signed-off-by: Lee Jones --- drivers/iio/common/st_sensors/st_sensors_core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 8a4ec00a91a0..24cfe4e044f9 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -306,8 +306,11 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev, if (of_pdata) pdata = of_pdata; - if (pdata) + if (pdata) { err = st_sensors_set_drdy_int_pin(indio_dev, pdata); + if (err < 0) + return err; + } err = st_sensors_set_enable(indio_dev, false); if (err < 0) -- 2.34.1