From: Jonathan Cameron <jic23@xxxxxxxxx> Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/staging/iio/ring_sw.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c index f8de45d..5ee3e45 100644 --- a/drivers/staging/iio/ring_sw.c +++ b/drivers/staging/iio/ring_sw.c @@ -295,7 +295,7 @@ again: return -EAGAIN; memcpy(data, last_written_p_copy, ring->buf.bpd); - if (unlikely(ring->last_written_p >= last_written_p_copy)) + if (unlikely(ring->last_written_p != last_written_p_copy)) goto again; iio_unmark_sw_rb_in_use(&ring->buf); -- 1.7.0.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
