diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2024-03-11 13:13:08 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2025-09-09 15:59:16 +0200 |
| commit | 6a79e9c91e9e0fb9d4fdcdb288952f62333fa5dc (patch) | |
| tree | 11d73beede4dab83580bd0ccb308517d2e66f409 /drivers | |
| parent | fc2aaf2d93a6379e26e7b2cbbf3c6b69b98dc37b (diff) | |
media: mc: Clear minor number reservation at unregistration time
Clear the media device's minor number reservation at unregister time as
there's no need to keep it reserved for longer. This makes it possible to
reserve the same minor right after unregistration.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/mc/mc-devnode.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/media/mc/mc-devnode.c b/drivers/media/mc/mc-devnode.c index 56444edaf136..0d01cbae98f2 100644 --- a/drivers/media/mc/mc-devnode.c +++ b/drivers/media/mc/mc-devnode.c @@ -50,11 +50,6 @@ static void media_devnode_release(struct device *cd) { struct media_devnode *devnode = to_media_devnode(cd); - mutex_lock(&media_devnode_lock); - /* Mark device node number as free */ - clear_bit(devnode->minor, media_devnode_nums); - mutex_unlock(&media_devnode_lock); - /* Release media_devnode and perform other cleanups as needed. */ if (devnode->release) devnode->release(devnode); @@ -284,6 +279,10 @@ void media_devnode_unregister(struct media_devnode *devnode) mutex_unlock(&media_devnode_lock); put_device(&devnode->dev); + + mutex_lock(&media_devnode_lock); + clear_bit(devnode->minor, media_devnode_nums); + mutex_unlock(&media_devnode_lock); } /* |