The flag is only cleared, never set or tested, so it is safe to remove it.

Acked-by: Jonathan Cameron <[email protected]>
Signed-off-by: Lars-Peter Clausen <[email protected]>
---
 drivers/staging/iio/buffer.h              |    2 --
 drivers/staging/iio/industrialio-buffer.c |    1 -
 2 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/buffer.h b/drivers/staging/iio/buffer.h
index 44593b2..eb4938c 100644
--- a/drivers/staging/iio/buffer.h
+++ b/drivers/staging/iio/buffer.h
@@ -79,7 +79,6 @@ struct iio_buffer_access_funcs {
  *                     created from the iio_chan_info array.
  * @pollq:             [INTERN] wait queue to allow for polling on the buffer.
  * @stufftoread:       [INTERN] flag to indicate new data.
- * @flags:             [INTERN] file ops related flags including busy flag.
  * @demux_list:                [INTERN] list of operations required to demux 
the scan.
  * @demux_bounce:      [INTERN] buffer for doing gather from incoming scan.
  **/
@@ -95,7 +94,6 @@ struct iio_buffer {
        struct attribute_group                  scan_el_group;
        wait_queue_head_t                       pollq;
        bool                                    stufftoread;
-       unsigned long                           flags;
        const struct attribute_group *attrs;
        struct list_head                        demux_list;
        unsigned char                           *demux_bounce;
diff --git a/drivers/staging/iio/industrialio-buffer.c 
b/drivers/staging/iio/industrialio-buffer.c
index 5947289..4c6d183 100644
--- a/drivers/staging/iio/industrialio-buffer.c
+++ b/drivers/staging/iio/industrialio-buffer.c
@@ -80,7 +80,6 @@ void iio_chrdev_buffer_release(struct iio_dev *indio_dev)
 
        if (!rb)
                return;
-       clear_bit(IIO_BUSY_BIT_POS, &rb->flags);
        if (rb->access->unmark_in_use)
                rb->access->unmark_in_use(rb);
 }
-- 
1.7.7.3


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