diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_buf.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_buf.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c index a3c3f21e77f9..f295285d2aa6 100644 --- a/drivers/staging/comedi/comedi_buf.c +++ b/drivers/staging/comedi/comedi_buf.c @@ -350,8 +350,9 @@ unsigned int comedi_buf_write_free(struct comedi_subdevice *s, } EXPORT_SYMBOL_GPL(comedi_buf_write_free); -unsigned int comedi_buf_read_n_available(struct comedi_async *async) +unsigned int comedi_buf_read_n_available(struct comedi_subdevice *s) { + struct comedi_async *async = s->async; unsigned num_bytes; if (!async) @@ -439,7 +440,7 @@ EXPORT_SYMBOL_GPL(comedi_buf_put); int comedi_buf_get(struct comedi_subdevice *s, unsigned short *x) { struct comedi_async *async = s->async; - unsigned int n = comedi_buf_read_n_available(async); + unsigned int n = comedi_buf_read_n_available(s); if (n < sizeof(short)) return 0; |