Staging: iio: impedance-analyzer: Fix sparse warning

Fix following sparse endian warning:

drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16
drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16
Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/iio/impedance-analyzer/ad5933.c

@@ -644,7 +644,8 @@ static void ad5933_work(struct work_struct *work)
 	struct ad5933_state *st = container_of(work,
 		struct ad5933_state, work.work);
 	struct iio_dev *indio_dev = i2c_get_clientdata(st->client);
-	signed short buf[2];
+	__be16 buf[2];
+	int val[2];
 	unsigned char status;
 
 	mutex_lock(&indio_dev->mlock);
@@ -668,12 +669,12 @@ static void ad5933_work(struct work_struct *work)
 				scan_count * 2, (u8 *)buf);
 
 		if (scan_count == 2) {
-			buf[0] = be16_to_cpu(buf[0]);
-			buf[1] = be16_to_cpu(buf[1]);
+			val[0] = be16_to_cpu(buf[0]);
+			val[1] = be16_to_cpu(buf[1]);
 		} else {
-			buf[0] = be16_to_cpu(buf[0]);
+			val[0] = be16_to_cpu(buf[0]);
 		}
-		iio_push_to_buffers(indio_dev, buf);
+		iio_push_to_buffers(indio_dev, val);
 	} else {
 		/* no data available - try again later */
 		schedule_delayed_work(&st->work, st->poll_time_jiffies);