From: Sakari Ailus Date: Fri, 8 Mar 2024 13:07:45 +0000 (+0200) Subject: media: v4l: async: Don't set notifier's V4L2 device if registering fails X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=46bc0234ad38063ce550ecf135c1a52458f0a804;p=linux.git media: v4l: async: Don't set notifier's V4L2 device if registering fails 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: # for 6.6 and later Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 6a7dcf43d7125..2ff35d5d60f27 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);