From: Jonathan Cameron <jic23@kernel.org>
Date: Wed, 22 May 2013 21:41:00 +0000 (+0100)
Subject: iio:callback buffer: free the scan_mask
X-Git-Tag: upstream/snapshot3+hdmi~4972^2^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=702df9f1819c7fc7e257251fabc5eec674342c32;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

iio:callback buffer: free the scan_mask

Reported-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/iio/buffer_cb.c b/drivers/iio/buffer_cb.c
index 9201022..9d19ba7 100644
--- a/drivers/iio/buffer_cb.c
+++ b/drivers/iio/buffer_cb.c
@@ -64,7 +64,7 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
 	while (chan->indio_dev) {
 		if (chan->indio_dev != indio_dev) {
 			ret = -EINVAL;
-			goto error_release_channels;
+			goto error_free_scan_mask;
 		}
 		set_bit(chan->channel->scan_index,
 			cb_buff->buffer.scan_mask);
@@ -73,6 +73,8 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
 
 	return cb_buff;
 
+error_free_scan_mask:
+	kfree(cb_buff->buffer.scan_mask);
 error_release_channels:
 	iio_channel_release_all(cb_buff->channels);
 error_free_cb_buff:
@@ -100,6 +102,7 @@ EXPORT_SYMBOL_GPL(iio_channel_stop_all_cb);
 
 void iio_channel_release_all_cb(struct iio_cb_buffer *cb_buff)
 {
+	kfree(cb_buff->buffer.scan_mask);
 	iio_channel_release_all(cb_buff->channels);
 	kfree(cb_buff);
 }