From: Lars-Peter Clausen Date: Tue, 15 Oct 2013 08:30:00 +0000 (+0100) Subject: iio:kfifo: Set update_needed to false after allocating a new buffer X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=cb6fbfa1387f47e5ef4ab2fac5ed71f3c1175f75;p=deliverable%2Flinux.git iio:kfifo: Set update_needed to false after allocating a new buffer update_needed is used to decide whether the kfifo buffer needs to be re-allocated. It is set to true whenever the size of the buffer is changed. It is never set to false though, causing the buffer to always be re-allocated. Setting update_needed to false after the new buffer has been allocated fixes the problem. Signed-off-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/kfifo_buf.c b/drivers/iio/kfifo_buf.c index d654f42e16aa..95c6fc81c2c7 100644 --- a/drivers/iio/kfifo_buf.c +++ b/drivers/iio/kfifo_buf.c @@ -38,6 +38,7 @@ static int iio_request_update_kfifo(struct iio_buffer *r) kfifo_free(&buf->kf); ret = __iio_allocate_kfifo(buf, buf->buffer.bytes_per_datum, buf->buffer.length); + buf->update_needed = false; } else { kfifo_reset_out(&buf->kf); }