staging:iio: core. Allow for event chrdev obtaining ioctl if no buffer present.

[~andy/linux] / drivers / staging / iio / iio_core.h

diff --git a/drivers/staging/iio/iio_core.h b/drivers/staging/iio/iio_core.h
index 36159e0dbfc38cc7ae762dca9b88a2a3da9f9d6e..ff27f1360d9242171c3f52d3626549c3ed38fbef 100644 (file)
--- a/drivers/staging/iio/iio_core.h
+++ b/drivers/staging/iio/iio_core.h
@@ -49,7 +49,7 @@ ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf,
 
 static inline int iio_chrdev_buffer_open(struct iio_dev *indio_dev)
 {
-       return -EINVAL;
+       return 0;
 }
 
 static inline void iio_chrdev_buffer_release(struct iio_dev *indio_dev)