diff options
Diffstat (limited to 'drivers/staging/comedi/drivers.c')
| -rw-r--r-- | drivers/staging/comedi/drivers.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index e516ed907f7e..61802d7947ae 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -109,6 +109,10 @@ int comedi_alloc_subdev_readback(struct comedi_subdevice *s) s->readback = kcalloc(s->n_chan, sizeof(*s->readback), GFP_KERNEL); if (!s->readback) return -ENOMEM; + + if (!s->insn_read) + s->insn_read = comedi_readback_insn_read; + return 0; } EXPORT_SYMBOL_GPL(comedi_alloc_subdev_readback); |