staging: comedi: cb_pcidas64: sample types are unsigned

Sample values in comedi are unsigned.  Change the element type of
`ao_bounce_buffer[]` in `struct pcidas64_private` from `short` to
`unsigned short` for consistency.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index e49743aed65de9987862bbbb9575db9a41cd14a7..ff5206536be36c3c4013efce6ca5fd9081f32ae0 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -1137,7 +1137,7 @@ struct pcidas64_private {
        volatile short ai_cmd_running;
        unsigned int ai_fifo_segment_length;
        struct ext_clock_info ext_clock;
-       short ao_bounce_buffer[DAC_FIFO_SIZE];
+       unsigned short ao_bounce_buffer[DAC_FIFO_SIZE];
 };
 
 static unsigned int ai_range_bits_6xxx(const struct comedi_device *dev,