From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9C703A3E7A; Fri, 7 Aug 2026 15:27:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786116451; cv=none; b=Cs3g+PXceGPCw3oqqZformU4Uiww+z6BEbRkseKaaAebuYmkU4gCjEEtPBVmGTTP5wlcwqqC+Olc2jWsyrgAkrAkRWsdvl2WQKiDb7lpbykgH3eCv27GPCRhUk7yEryuiXViykQL00N5phiJqVZ45zYG/FlH9qAjJkvBLNOsbWU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786116451; c=relaxed/simple; bh=M7HcIId71Ba0aDcxzrSBqiw2kTdfPE9hRNnbVOPnQCc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r7LHnB9p8Sy0x6bVZGWgWbbK5lCSU/6OeASijmM2eE1Mqt1844bBFKQAWBChr7VY1I425NjEKV/MpTrxUXpXjBgW4hD3OqZGfzu0bhu927f0zh2IlBXIGB/7Z51qQz4QQf3xKdnpGiiF+g7i0Q5AhYmw0AykNRppV2vUpzp5uek= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=H0Wu3x0J; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="H0Wu3x0J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F8A91F000E9; Fri, 7 Aug 2026 15:27:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786116450; bh=2SLcRwmDRyGij/mLG8Jj70wAGAA7F88TgtDuXsXlN4A=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=H0Wu3x0J7UlVFCqTPs+1UzTXahSMvKWQFfmXR8T4gcx9oh+AHTVcrR3CV6vIbL6MR wi8UNEijyf8f86GjbCxJvVgenOti1ihoHvYMCGj4baWM4ZAaZaQlWg6popM+vrjYSF RMbT2ySTnXdlakZh+BSMjxkkvFZwwBXyz4FO/I2A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sakari Ailus , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 6.6 236/261] media: v4l: async: Set owner for async sub-devices Date: Fri, 7 Aug 2026 16:39:53 +0200 Message-ID: <20260807143420.470311202@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143415.358597922@linuxfoundation.org> References: <20260807143415.358597922@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sakari Ailus [ Upstream commit 8a718752f5c339137c5b05e54f116cd26d5a4143 ] Set the owner field of the async sub-devices by making v4l2_async_register_subdev() a macro and obtaining THIS_MODULE that way. Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab Stable-dep-of: 06cb687a5132 ("media: v4l2-fwnode: Fix subdev owner overwritten in v4l2_async_register_subdev_sensor()") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/media/v4l2-core/v4l2-async.c | 8 ++++++-- include/media/v4l2-async.h | 4 +++- 2 files changed, 9 insertions(+), 3 deletions(-) --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -798,7 +798,7 @@ v4l2_async_connection_unique(struct v4l2 } EXPORT_SYMBOL_GPL(v4l2_async_connection_unique); -int v4l2_async_register_subdev(struct v4l2_subdev *sd) +int __v4l2_async_register_subdev(struct v4l2_subdev *sd, struct module *module) { struct v4l2_async_notifier *subdev_notifier; struct v4l2_async_notifier *notifier; @@ -822,6 +822,8 @@ int v4l2_async_register_subdev(struct v4 return -EINVAL; } + sd->owner = module; + mutex_lock(&list_lock); list_for_each_entry(notifier, ¬ifier_list, notifier_entry) { @@ -869,9 +871,11 @@ err_unbind_one: err_unlock: mutex_unlock(&list_lock); + sd->owner = NULL; + return ret; } -EXPORT_SYMBOL(v4l2_async_register_subdev); +EXPORT_SYMBOL(__v4l2_async_register_subdev); void v4l2_async_unregister_subdev(struct v4l2_subdev *sd) { --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -310,7 +310,9 @@ void v4l2_async_nf_cleanup(struct v4l2_a * * @sd: pointer to &struct v4l2_subdev */ -int v4l2_async_register_subdev(struct v4l2_subdev *sd); +#define v4l2_async_register_subdev(sd) \ + __v4l2_async_register_subdev(sd, THIS_MODULE) +int __v4l2_async_register_subdev(struct v4l2_subdev *sd, struct module *module); /** * v4l2_async_register_subdev_sensor - registers a sensor sub-device to the