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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 22:21:34 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 22:21:34 +0200 |
| commit | f73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch) | |
| tree | b7959c01cf7a5d95c7c4d5b61929ff9123370322 /drivers/media/v4l2-core/v4l2-device.c | |
| parent | dma-buf: handle testing kthreads creation failure (diff) | |
| parent | Merge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff) | |
| download | wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip | |
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-device.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-device.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c index d2e58ae91f9b..5e537454f5cd 100644 --- a/drivers/media/v4l2-core/v4l2-device.c +++ b/drivers/media/v4l2-core/v4l2-device.c @@ -108,8 +108,8 @@ void v4l2_device_unregister(struct v4l2_device *v4l2_dev) } EXPORT_SYMBOL_GPL(v4l2_device_unregister); -int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, - struct v4l2_subdev *sd) +int __v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, + struct v4l2_subdev *sd, struct module *module) { int err; @@ -125,9 +125,9 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, * try_module_get() such sub-device owners. */ sd->owner_v4l2_dev = v4l2_dev->dev && v4l2_dev->dev->driver && - sd->owner == v4l2_dev->dev->driver->owner; + module == v4l2_dev->dev->driver->owner; - if (!sd->owner_v4l2_dev && !try_module_get(sd->owner)) + if (!sd->owner_v4l2_dev && !try_module_get(module)) return -ENODEV; sd->v4l2_dev = v4l2_dev; @@ -152,6 +152,8 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, goto error_unregister; } + sd->owner = module; + spin_lock(&v4l2_dev->lock); list_add_tail(&sd->list, &v4l2_dev->subdevs); spin_unlock(&v4l2_dev->lock); @@ -168,7 +170,7 @@ error_module: sd->v4l2_dev = NULL; return err; } -EXPORT_SYMBOL_GPL(v4l2_device_register_subdev); +EXPORT_SYMBOL_GPL(__v4l2_device_register_subdev); static void v4l2_subdev_release(struct v4l2_subdev *sd) { |