diff options
Diffstat (limited to 'drivers/staging/comedi/comedidev.h')
| -rw-r--r-- | drivers/staging/comedi/comedidev.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index cb67a5c..100ea0b 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -436,9 +436,10 @@ into comedi's buffer */ static inline void comedi_set_hw_dev(struct comedi_device *dev, struct device *hw_dev) { + if (dev->hw_dev == hw_dev) + return; if (dev->hw_dev) put_device(dev->hw_dev); - dev->hw_dev = hw_dev; if (dev->hw_dev) { dev->hw_dev = get_device(dev->hw_dev); |