diff options
| -rw-r--r-- | drivers/staging/comedi/comedi_buf.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c index 0e4727d..c60fa1a 100644 --- a/drivers/staging/comedi/comedi_buf.c +++ b/drivers/staging/comedi/comedi_buf.c @@ -443,14 +443,10 @@ int comedi_buf_put(struct comedi_subdevice *s, unsigned short x) EXPORT_SYMBOL_GPL(comedi_buf_put); static void comedi_buf_memcpy_to(struct comedi_subdevice *s, - unsigned int offset, const void *data, unsigned int num_bytes) { struct comedi_async *async = s->async; - unsigned int write_ptr = async->buf_write_ptr + offset; - - if (write_ptr >= async->prealloc_bufsz) - write_ptr %= async->prealloc_bufsz; + unsigned int write_ptr = async->buf_write_ptr; while (num_bytes) { unsigned int block_size; @@ -526,7 +522,7 @@ unsigned int comedi_write_array_to_buffer(struct comedi_subdevice *s, return 0; } - comedi_buf_memcpy_to(s, 0, data, num_bytes); + comedi_buf_memcpy_to(s, data, num_bytes); comedi_buf_write_free(s, num_bytes); comedi_inc_scan_progress(s, num_bytes); async->events |= COMEDI_CB_BLOCK; |
