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| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-01-09 20:31:46 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-18 00:53:59 (GMT) |
| commit | 5b2b64b7510292f4b1e6363edb6f53c39828672e (patch) | |
| tree | 5970eba1eab7dab5a7fd6947f6236469a908b116 /drivers/staging/comedi/comedi_buf.c | |
| parent | 3abfa1066b9e98df434868eda9ba91d7012d45c6 (diff) | |
| download | linux-5b2b64b7510292f4b1e6363edb6f53c39828672e.tar.xz | |
staging: comedi: comedi_buf: don't expose comedi_buf_read_n_allocated()
This helper function is only called in comedi_buf.c. Move it there and
make it static so it's not exposed globally.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/comedi_buf.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_buf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c index 70d2901..891cf89 100644 --- a/drivers/staging/comedi/comedi_buf.c +++ b/drivers/staging/comedi/comedi_buf.c @@ -309,6 +309,11 @@ unsigned comedi_buf_read_alloc(struct comedi_async *async, unsigned nbytes) } EXPORT_SYMBOL(comedi_buf_read_alloc); +static unsigned int comedi_buf_read_n_allocated(struct comedi_async *async) +{ + return async->buf_read_alloc_count - async->buf_read_count; +} + /* transfers control of a chunk from reader to free buffer space */ unsigned comedi_buf_read_free(struct comedi_async *async, unsigned int nbytes) { |