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 3D29A445AE7 for ; Fri, 16 Oct 2026 07:32:49 +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=1792135973; cv=none; b=nEcgIV8zDc7ieGAaqEjm7jzEa3cgt4MHqMrVhs21Ub8UudwwiYF5v0WUnGUptEp1t+BrCGAAic7xH+nxzpPDYGV5gS4KdUEJy7y8Q/xvgK+vC9D639VBFXhj8Ka6kEpYPVoczjiiLC7ToBYSjCMTQbl8JglZHBGPglYBz00SU8g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792135973; c=relaxed/simple; bh=IJ+5u7srEk6nIaU0cmJ8MAIsRra4lgyOsCM5Ol4qCpg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=buYbcuveuaeOpFf/+siOlZneXQrh93gKe8T4FLoLp01vkb75WIlT8V3dYyyKjRYvoy86umtRbebUTmo555R+O+QiTHu4lkTJWyYUYIIVd3qWlSRUgSj5/s5NaC3f/rNCEGwQ3lxhQei1ETusynIyUe6QF39cXxX3uvBDNTquiec= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WG7ptaQx; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WG7ptaQx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29B911F000C4; Fri, 16 Oct 2026 07:32:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792135969; bh=1v2ntwu8Em8B5OdazZkfPG61sIQaYLlgT9DtGFP4HNY=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=WG7ptaQxvhJShJBNpdEZTV8T4Ff3H3ud960vZ4LjnauWUvtqu6ls16RowkTLeZFBg 8vz0cNeme2i3hJHugTe5ydbgYAE+fv+egfJJBGhXXU/+UsX+jYvWmTgXRmsDorSri+ Ub+iWD8o1+CQ1rKUVk2Ku7D8ITf2dTP4XvA8vUrjlQcsKVfs9uNYY7vsM6jucFMsVC Z5NZQiS7fiEsor3IT1PddNF98eLessuxoEdqEj6y6mwwrGLlnzFPYVhyEJA3TMo0y1 hrNjKK9vCtmIRmmaUDMJSFPUVlcBQP0OJLrsN4LvQZolaWoY5C+roUAGIBTDBhuMEH 4T9fxEwCpoTTw== From: Maxime Ripard Date: Fri, 16 Oct 2026 09:31:45 +0200 Subject: [PATCH v5 13/14] drm/vkms: Switch container_of helpers to container_of_const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261016-drm-reset-state-flag-v5-13-dad2d64b693b@kernel.org> References: <20261016-drm-reset-state-flag-v5-0-dad2d64b693b@kernel.org> In-Reply-To: <20261016-drm-reset-state-flag-v5-0-dad2d64b693b@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Louis Chauvet , Haneen Mohammed , Melissa Wen Cc: Daniel Stone , Harry Wentland , Jocelyn Falempe , =?utf-8?q?Jonas_=C3=85dahl?= , =?utf-8?q?Michel_D=C3=A4nzer?= , Pekka Paalanen , Sebastian Wick , Simon Ser , Victoria Brekenfeld , Xaver Hugl , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Maxime Ripard X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1708; i=mripard@kernel.org; h=from:subject:message-id; bh=IJ+5u7srEk6nIaU0cmJ8MAIsRra4lgyOsCM5Ol4qCpg=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDFkXLz3reHdzo94V5s6Qr9FvjXY/OWURfe2/Vf/CuTukL q2qXuHI0zGVhUGYk0FWTJHliUzY6eXti6sc7Ff+gJnDygQyhIGLUwAm8uQEY50124dF+7cL2rPs XFLA8yuFyarlVE/kfeszzSs2RIpO+H/pwKG8tZE7bmvzHTv0Kbk/KIuxTrX0fuC86d4aTGpra62 feaUaz7vkw6MrOW2T/tGny7RfnYhYeZ371MbrDltkD73TmMbXCAA= X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D The vkms container_of helpers use container_of() which discards the const qualifier from the input pointer. This prevents passing a const state pointer to to_vkms_plane_state() without a cast, for instance in atomic_get_property which receives a const drm_plane_state. Switch all four helpers to container_of_const() so the const qualifier is properly propagated to the result type. Reviewed-by: Daniel Stone Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vkms/vkms_drv.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h index 381483aa4fb0..dea6cad3f1b9 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.h +++ b/drivers/gpu/drm/vkms/vkms_drv.h @@ -248,20 +248,20 @@ struct vkms_device { /* * The following helpers are used to convert a member of a struct into its parent. */ #define drm_crtc_to_vkms_output(target) \ - container_of(target, struct vkms_output, crtc) + container_of_const(target, struct vkms_output, crtc) #define drm_device_to_vkms_device(target) \ - container_of(target, struct vkms_device, drm) + container_of_const(target, struct vkms_device, drm) #define to_vkms_crtc_state(target)\ - container_of(target, struct vkms_crtc_state, base) + container_of_const(target, struct vkms_crtc_state, base) #define to_vkms_plane_state(target)\ - container_of(target, struct vkms_plane_state, base.base) + container_of_const(target, struct vkms_plane_state, base.base) /** * vkms_create() - Create a device from a configuration * @config: Config used to configure the new device * -- 2.55.0