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author | Jonathan Cameron | 2012-04-21 11:09:35 +0200 |
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committer | Greg Kroah-Hartman | 2012-04-24 20:23:37 +0200 |
commit | 420fe2e9471518f57a551d2114a54a0aa0c12ea3 (patch) | |
tree | a044ba17d35238d2f31ecc62d099bbaa3471f467 /drivers/staging/iio/iio_simple_dummy_buffer.c | |
parent | staging:iio: scan_index_timestamp move to iio_dev from buffer (diff) | |
download | kernel-qcow2-linux-420fe2e9471518f57a551d2114a54a0aa0c12ea3.tar.gz kernel-qcow2-linux-420fe2e9471518f57a551d2114a54a0aa0c12ea3.tar.xz kernel-qcow2-linux-420fe2e9471518f57a551d2114a54a0aa0c12ea3.zip |
staging:iio: add caching of the number of bytes in a scan.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/iio/iio_simple_dummy_buffer.c')
-rw-r--r-- | drivers/staging/iio/iio_simple_dummy_buffer.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy_buffer.c b/drivers/staging/iio/iio_simple_dummy_buffer.c index bb4daf744362..61a26229630e 100644 --- a/drivers/staging/iio/iio_simple_dummy_buffer.c +++ b/drivers/staging/iio/iio_simple_dummy_buffer.c @@ -48,12 +48,9 @@ static irqreturn_t iio_simple_dummy_trigger_h(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct iio_buffer *buffer = indio_dev->buffer; int len = 0; - /* - * The datasize is obtained from the buffer. It was stored when - * the preenable setup function was called. - */ - size_t datasize = buffer->access->get_bytes_per_datum(buffer); - u16 *data = kmalloc(datasize, GFP_KERNEL); + u16 *data; + + data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL); if (data == NULL) return -ENOMEM; |