staging:iio: Prevent reading from buffer chrdev when device has no buffer.

Silly bug introduced during the chrdev merge series.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index b11c7f303ac..647a4052a8c 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -1065,8 +1065,8 @@ static int iio_chrdev_open(struct inode *inode, struct file *filp)
         struct iio_dev *dev_info = container_of(inode->i_cdev,
                                                 struct iio_dev, chrdev);
         filp->private_data = dev_info;
-        iio_chrdev_buffer_open(dev_info);
-        return 0;
+
+        return iio_chrdev_buffer_open(dev_info);
 }
 
 /**