diff mbox series

[v2] iio: core: move 'indio_dev->info' null check first

Message ID 20200407062115.84346-1-alexandru.ardelean@analog.com (mailing list archive)
State New, archived
Headers show
Series [v2] iio: core: move 'indio_dev->info' null check first | expand

Commit Message

Alexandru Ardelean April 7, 2020, 6:21 a.m. UTC 
Doesn't fix anything. Just moves this to be the first check, as it's very
simple and fails the registration earlier, instead of potentially
initializing the 'indio_dev->label' and checking for duplicate indexes, and
then failing with this simple-check.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
---
Changelog v1 -> v2:
* fix typo 'regitration' 'registration'

 drivers/iio/industrialio-core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 157d95a24faa..56ff24d7a174 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -1711,6 +1711,9 @@  int __iio_device_register(struct iio_dev *indio_dev, struct module *this_mod)
 {
 	int ret;
 
+	if (!indio_dev->info)
+		return -EINVAL;
+
 	indio_dev->driver_module = this_mod;
 	/* If the calling driver did not initialize of_node, do it here */
 	if (!indio_dev->dev.of_node && indio_dev->dev.parent)
@@ -1723,9 +1726,6 @@  int __iio_device_register(struct iio_dev *indio_dev, struct module *this_mod)
 	if (ret < 0)
 		return ret;
 
-	if (!indio_dev->info)
-		return -EINVAL;
-
 	/* configure elements for the chrdev */
 	indio_dev->dev.devt = MKDEV(MAJOR(iio_devt), indio_dev->id);