Messages in this thread Patch in this message | | | From | Jonathan Cameron <> | Subject | [PATCH 17/19] staging:iio:ring_sw: Fix incorrect test on successful read of last value, causes infinite loop | Date | Mon, 26 Apr 2010 20:31:19 +0100 |
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Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> --- 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 4e5134c..8d2f7cd 100644 --- a/drivers/staging/iio/ring_sw.c +++ b/drivers/staging/iio/ring_sw.c @@ -297,7 +297,7 @@ 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); -- 1.6.4.4
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