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Commit 708706ff authored by Peter Meerwald's avatar Peter Meerwald Committed by Greg Kroah-Hartman
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staging: iio: fix trigger handler of iio_simple_dummy driver 



accessing first and last channel fails:
fakedata[0] is never accessed, out-of-bound access for last channel

Signed-off-by: default avatarPeter Meerwald <pmeerw@pmeerw.net>
Acked-by: default avatarJonathan Cameron <jic23@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 971ff1db

drivers/staging/iio/iio_simple_dummy_buffer.c

+2 −2
Original line number Diff line number Diff line
@@ -75,9 +75,9 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) 
		for (i = 0, j = 0;

		     i < bitmap_weight(indio_dev->active_scan_mask,

				       indio_dev->masklength);

		     i++) {

		     i++, j++) {

			j = find_next_bit(buffer->scan_mask,

					  indio_dev->masklength, j + 1);

					  indio_dev->masklength, j);

			/* random access read from the 'device' */

			data[i] = fakedata[j];

			len += 2;