diff options
| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-04-26 18:49:08 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-17 13:49:13 +0100 |
| commit | b804e2b76ac6d5559b99588e0190ac97b5597497 (patch) | |
| tree | 96cf8d6f5c0d9fd065e5e5d8654937e8b2c673c6 /drivers/iio/industrialio-core.c | |
| parent | 62f4f36cdfcdbb961bbbeab15e6595dd391d2205 (diff) | |
iio: core: move @info_exist_lock to struct iio_dev_opaque
This lock is only of interest to the IIO core, so make it only
visible there.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com>
Link: https://lore.kernel.org/r/20210426174911.397061-7-jic23@kernel.org
Diffstat (limited to 'drivers/iio/industrialio-core.c')
| -rw-r--r-- | drivers/iio/industrialio-core.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 58b35db00a81..74bb977e2357 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1642,7 +1642,7 @@ struct iio_dev *iio_device_alloc(struct device *parent, int sizeof_priv) device_initialize(&indio_dev->dev); iio_device_set_drvdata(indio_dev, (void *)indio_dev); mutex_init(&indio_dev->mlock); - mutex_init(&indio_dev->info_exist_lock); + mutex_init(&iio_dev_opaque->info_exist_lock); INIT_LIST_HEAD(&iio_dev_opaque->channel_attr_list); iio_dev_opaque->id = ida_simple_get(&iio_ida, 0, 0, GFP_KERNEL); @@ -1779,7 +1779,7 @@ static long iio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) struct iio_ioctl_handler *h; int ret = -ENODEV; - mutex_lock(&indio_dev->info_exist_lock); + mutex_lock(&iio_dev_opaque->info_exist_lock); /** * The NULL check here is required to prevent crashing when a device @@ -1799,7 +1799,7 @@ static long iio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) ret = -ENODEV; out_unlock: - mutex_unlock(&indio_dev->info_exist_lock); + mutex_unlock(&iio_dev_opaque->info_exist_lock); return ret; } @@ -1938,7 +1938,7 @@ void iio_device_unregister(struct iio_dev *indio_dev) { cdev_device_del(&indio_dev->chrdev, &indio_dev->dev); - mutex_lock(&indio_dev->info_exist_lock); + mutex_lock(&iio_dev_opaque->info_exist_lock); iio_device_unregister_debugfs(indio_dev); @@ -1949,7 +1949,7 @@ void iio_device_unregister(struct iio_dev *indio_dev) iio_device_wakeup_eventset(indio_dev); iio_buffer_wakeup_poll(indio_dev); - mutex_unlock(&indio_dev->info_exist_lock); + mutex_unlock(&iio_dev_opaque->info_exist_lock); iio_buffers_free_sysfs_and_mask(indio_dev); } |