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authorIan Abbott <abbotti@mev.co.uk>2014-09-15 13:46:02 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-19 15:55:31 -0700
commit5c520aafa0cb234a9124569f742e82d04ab5006b (patch)
tree22dd10103fb813826772ced0a00fc59405682045 /drivers/staging/comedi
parent5a7803592409dc3b6ea3bce53a7517114f748dc8 (diff)
staging: comedi: comedi_fc: cfc_write_array_to_buffer() data is const
The `data` pointer of `cfc_write_array_to_buffer()` ought to point to `const` data. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
-rw-r--r--drivers/staging/comedi/drivers/comedi_fc.c2
-rw-r--r--drivers/staging/comedi/drivers/comedi_fc.h5
2 files changed, 4 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/comedi_fc.c b/drivers/staging/comedi/drivers/comedi_fc.c
index ed0e79f5bfa..6f872207ec3 100644
--- a/drivers/staging/comedi/drivers/comedi_fc.c
+++ b/drivers/staging/comedi/drivers/comedi_fc.c
@@ -24,7 +24,7 @@
/* Writes an array of data points to comedi's buffer */
unsigned int cfc_write_array_to_buffer(struct comedi_subdevice *s,
- void *data, unsigned int num_bytes)
+ const void *data, unsigned int num_bytes)
{
struct comedi_async *async = s->async;
unsigned int retval;
diff --git a/drivers/staging/comedi/drivers/comedi_fc.h b/drivers/staging/comedi/drivers/comedi_fc.h
index c570c6eb6b9..fa3de9e8732 100644
--- a/drivers/staging/comedi/drivers/comedi_fc.h
+++ b/drivers/staging/comedi/drivers/comedi_fc.h
@@ -35,8 +35,9 @@ static inline void cfc_inc_scan_progress(struct comedi_subdevice *s,
}
/* Writes an array of data points to comedi's buffer */
-unsigned int cfc_write_array_to_buffer(struct comedi_subdevice *,
- void *data, unsigned int num_bytes);
+unsigned int cfc_write_array_to_buffer(struct comedi_subdevice *s,
+ const void *data,
+ unsigned int num_bytes);
static inline unsigned int cfc_write_to_buffer(struct comedi_subdevice *s,
unsigned short data)