From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 233683C008E; Thu, 15 Jan 2026 17:27:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498027; cv=none; b=QiglLoAEGbQHTPb4BK8i2VWSnPgnBnzJyHJhfZ8iXsWsfesxrLNBAYLDuHCus1G/1zXl7B0NU4B+nhNyiBvczIH+EY7o2B6GWOiultMkEv5TdLmk3edNsU6wKOsYx/fNUIrd0S8HB+dZMbwyoP9Ezfy4gA4j5XiR8R0nS6gmjmU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498027; c=relaxed/simple; bh=h3ZVyySazTKFlfUqisdUKxhZes3hzsckwqIpomhVfIM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IqGJhPnxY3XV5yvJltvjM0FLqyEXA4hlWaHUQQW8tCRy6mvR7NA7qAVH2411verkpeXuGzZLwrvH5FlmD8ha1CBmxGtbutIgrNEB85ty1/9kLS4mvIsOjV1wFEDDNaDC8yiHJ2H2q0Kiv1N2lZJn/Uz3zgyOmGlRjBY0/eOb5JU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=aCUC8VSl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="aCUC8VSl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A16B9C19423; Thu, 15 Jan 2026 17:27:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768498027; bh=h3ZVyySazTKFlfUqisdUKxhZes3hzsckwqIpomhVfIM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aCUC8VSlRM28b8oSLpZMdrRYgiflVUdgTUz5HHZaMbn1NqHidRsmRrwXpqG7e+ln7 m2jlheAmuHzWoxNJPKE7hdmxseteovwMT2uNbeaihq8P+L3pla1t9aij4vQYEQsI7F +hARPWZQ3Qa/oqKPsfk9foU3KXla2OD1tyqQQF3Q= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Laurent Pinchart , Hans Verkuil Subject: [PATCH 5.15 288/554] media: v4l2-mem2mem: Fix outdated documentation Date: Thu, 15 Jan 2026 17:45:54 +0100 Message-ID: <20260115164256.653126370@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Laurent Pinchart commit 082b86919b7a94de01d849021b4da820a6cb89dc upstream. Commit cbd9463da1b1 ("media: v4l2-mem2mem: Avoid calling .device_run in v4l2_m2m_job_finish") deferred calls to .device_run() to a work queue to avoid recursive calls when a job is finished right away from .device_run(). It failed to update the v4l2_m2m_job_finish() documentation that still states the function must not be called from .device_run(). Fix it. Fixes: cbd9463da1b1 ("media: v4l2-mem2mem: Avoid calling .device_run in v4l2_m2m_job_finish") Cc: stable@vger.kernel.org Signed-off-by: Laurent Pinchart Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- include/media/v4l2-mem2mem.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -185,8 +185,7 @@ void v4l2_m2m_try_schedule(struct v4l2_m * other instances to take control of the device. * * This function has to be called only after &v4l2_m2m_ops->device_run - * callback has been called on the driver. To prevent recursion, it should - * not be called directly from the &v4l2_m2m_ops->device_run callback though. + * callback has been called on the driver. */ void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev, struct v4l2_m2m_ctx *m2m_ctx);