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-rw-r--r--drivers/staging/iio/ring_sw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index b104c3d9c35..cf22c091668 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -293,7 +293,7 @@ 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);