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Subject: media: v4l: async: Don't set notifier's V4L2 device if registering fails Author: Sakari Ailus sakari.ailus@linux.intel.com Date: Fri Mar 8 15:07:45 2024 +0200
The V4L2 device used to be set when the notifier was registered but this has been moved to the notifier initialisation. Don't touch the V4L2 device if registration fails.
Fixes: b8ec754ae4c5 ("media: v4l: async: Set v4l2_device and subdev in async notifier init") Cc: stable@vger.kernel.org # for 6.6 and later Signed-off-by: Sakari Ailus sakari.ailus@linux.intel.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl
drivers/media/v4l2-core/v4l2-async.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)
---
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 6a7dcf43d712..2ff35d5d60f2 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -620,16 +620,10 @@ err_unlock:
int v4l2_async_nf_register(struct v4l2_async_notifier *notifier) { - int ret; - if (WARN_ON(!notifier->v4l2_dev == !notifier->sd)) return -EINVAL;
- ret = __v4l2_async_nf_register(notifier); - if (ret) - notifier->v4l2_dev = NULL; - - return ret; + return __v4l2_async_nf_register(notifier); } EXPORT_SYMBOL(v4l2_async_nf_register);