Messages in this thread Patch in this message | | | Subject | [PATCH 4/6] drivers/media/media-device: move debug log before _devnode_unregister() | From | Max Kellermann <> | Date | Mon, 21 Mar 2016 14:30:33 +0100 |
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After media_devnode_unregister(), the struct media_device may be freed already, and dereferencing it may crash.
Signed-off-by: Max Kellermann <max@duempel.org> --- drivers/media/media-device.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index e9219f5..5c4669c 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -745,9 +745,8 @@ void media_device_unregister(struct media_device *mdev) spin_unlock(&mdev->lock); device_remove_file(&mdev->devnode.dev, &dev_attr_model); + dev_dbg(mdev->dev, "Media device unregistering\n"); media_devnode_unregister(&mdev->devnode); - - dev_dbg(mdev->dev, "Media device unregistered\n"); } EXPORT_SYMBOL_GPL(media_device_unregister);
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