`s->async->subdevice` in `comedi_poll()` points to the same `struct
comedi_subdevice` as `s`, so the double pointer reference is redundant.
Just use `s`.
(`s->async->subdevice` is initialized by
`__comedi_device_postconfig_async()` in
"drivers/staging/comedi/drivers.c" and doesn't change.)
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
---
drivers/staging/comedi/comedi_fops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 70545e6..90ea380 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -2034,7 +2034,7 @@ static unsigned int comedi_poll(struct file *file, poll_table *wait)
s = comedi_write_subdevice(dev, minor);
if (s && s->async) {
- unsigned int bps = bytes_per_sample(s->async->subdevice);
+ unsigned int bps = bytes_per_sample(s);
poll_wait(file, &s->async->wait_head, wait);
comedi_buf_write_alloc(s->async, s->async->prealloc_bufsz);
--
1.9.2
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