iio:accel:bmc150-accel: fix counting direction

In bmc150_accel_unregister_triggers() triggers should be unregistered in
reverse order of registration. Trigger registration starts with number 0,
counting up. In consequence, trigger number needs to be count down here.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Octavian Purdila <octavian.purdila@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c
index 73e8773..bf827d0 100644 (file)
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -1465,7 +1465,7 @@ static void bmc150_accel_unregister_triggers(struct bmc150_accel_data *data,
 {
        int i;
 
-       for (i = from; i >= 0; i++) {
+       for (i = from; i >= 0; i--) {
                if (data->triggers[i].indio_trig) {
                        iio_trigger_unregister(data->triggers[i].indio_trig);
                        data->triggers[i].indio_trig = NULL;