From: Hartmut Knaack <knaack.h@gmx.de>
Date: Mon, 15 Jun 2015 21:48:24 +0000 (+0200)
Subject: iio:accel:bmc150-accel: fix counting direction
X-Git-Tag: v4.2-rc4~5^2^2~24
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c13c9da6d86fa9cb6449deb6c71b18ffcf32ae53;p=karo-tx-linux.git

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 4e70f51c2370..cc5a35750b50 100644
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -1464,7 +1464,7 @@ 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;