[PATCH] staging:iio: Remove unused variable

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Fixes the following warning:
	drivers/staging/iio/industrialio-buffer.c: In function ‘iio_scan_mask_query’:
	drivers/staging/iio/industrialio-buffer.c:620: warning: unused variable ‘mask’

Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
 drivers/staging/iio/industrialio-buffer.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c
index a03a574..68db2d2 100644
--- a/drivers/staging/iio/industrialio-buffer.c
+++ b/drivers/staging/iio/industrialio-buffer.c
@@ -617,8 +617,6 @@ EXPORT_SYMBOL_GPL(iio_scan_mask_set);
 int iio_scan_mask_query(struct iio_dev *indio_dev,
 			struct iio_buffer *buffer, int bit)
 {
-	long *mask;
-
 	if (bit > indio_dev->masklength)
 		return -EINVAL;
 
-- 
1.7.7.3


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