From nobody Fri Dec 19 13:49:39 2025 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) (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 C186519E7E4 for ; Tue, 27 Aug 2024 10:02:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724752922; cv=none; b=FNgqmgQiUsBPZsaL7KZHepVMX4j2h6hyYfJuIvC4zvKMrny3HTOl7hqZ9BiIy5Gdn/NVHCIxCD4dmKaU1vj04m4nmeNkhNY/Fr5nh5fTzufGXEqZB9u8upKeHU8Q03bWqUY56LMXPraLeVA1WeG3b626N0WCsdKqTXkWQv4sIIs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724752922; c=relaxed/simple; bh=eon9nKAT8aprMkogaxLTrCwGM6rlkI2aZ3rSwA+swpU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=J6d0FBf8ikMvhty4PzHoLngI1hz0nJOU8SuSwJBnmN/V62Lsarh0PgN7XaNPG+PUkcS2axxRVJcUKA0cRyZN8sjbmt33G0RUYIF63dCsINv7YgS0+nWFW2V2ryJQGEsN9aoUKJqh10WrfhAquBGzew8IQWgGoYVhUcNxKQ5ukJw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=f/UHflwO; arc=none smtp.client-ip=217.70.183.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="f/UHflwO" Received: by mail.gandi.net (Postfix) with ESMTPSA id 7667C1C0002; Tue, 27 Aug 2024 10:01:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1724752919; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QXbrQYbwu05I9QcdP0EOzRyW3VmbUgQZEfA/b5hJq/c=; b=f/UHflwOwNjX3GLS9YGAaiQzzbpHgXjZD2iKJxHwfggRH236UQ+HPVCJrjoFw5d3ryrdYt UGfDhaQg72qAQ7eepZub2VOUG+P/qmD8NNgVlad7B9nZ9HO0iCxTHp8RbDuhso7J7XGXhj MEErdzUe0CdmiOdZiw8lQaGFhLzQMsV+pTU4duPycmHj0YciJsl468heZGR/7vFU4xG0fp tT9X0z5qV1s2nNx2dI4NZebpldrhYxYF3Pt3Ng1p6HRx6mMd/i7duXlUm4Kk1hhE68D7nl DFwitAm/TWZc4jnvRYXatENvxI/Op82NoK64JJKrqu+BUmzurHxuGrhgMPhn2w== From: Louis Chauvet Date: Tue, 27 Aug 2024 11:57:41 +0200 Subject: [PATCH v2 6/6] drm/vkms: Add missing check for CRTC initialization 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: quoted-printable Message-Id: <20240827-google-vkms-managed-v2-6-f41104553aeb@bootlin.com> References: <20240827-google-vkms-managed-v2-0-f41104553aeb@bootlin.com> In-Reply-To: <20240827-google-vkms-managed-v2-0-f41104553aeb@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie Cc: dri-devel@lists.freedesktop.org, arthurgrillo@riseup.net, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, nicolejadeyee@google.com, Louis Chauvet X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1030; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=eon9nKAT8aprMkogaxLTrCwGM6rlkI2aZ3rSwA+swpU=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBmzaQPRDVNlHwwkHSIsyM3580wfuLwKuybATZ3e f1fTFkk8FaJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZs2kDwAKCRAgrS7GWxAs 4q3VD/9O53/2TSWKz6e2kcpm9dLhofqv1w+m5klIZ8QHKUHuTMyrKFAtsz1h8R4ElpWZXr1sXAc ncPE46mxY559k5KaL+fEwK9mtU9XRbD6OczzCmiRCTCU0BJKCDa/KMJgd6F63ITacdZF5JcuFkR Xv9M1hgHh92mTXp+XdZwTKOoVsDMWtXIJW9xYQp9cLTd4kfAkkzqaK3D6/0Ql+9sPN8oPHSkZfs /0NDi55NfeUllmYA9I+EeKjqp25WxLxmbj+JrWgmVjZ9aVYXvfmazK3bnMXWIEMDG6pj8+Uexf+ qVjJ4JqtmYOlDsKGWdWUz91jgWQH3Z1pI5wg6XvKAI12bL1p3+2t0T2np0+LyrdqxJr4phgT2SA jtgP6gKCABQaoE9Eqmfn0YSGqjQ+O2esSfx5+xUb6bCFDY5LB/bBpyJbrJ1244ZHVN9FPxvukb5 NraOGZ+CTOFSx6mbdC1clO6qfIKgzwqQ7SARti31N+crDKbzvHlfdjmp/U9m2AvlOzQc1bwrgUZ ZgUou1GjYGxQGxAmKCay9KupgL/3FoKFL6CJ5x11dwoN9GNjvXz+3kxtbHyaSDFJN62TtEmpNwS /0Kih70wh2BRmK81LRVMjhj5k6oHVuwbr3Ge7Ra+TnoBg+w8S7kSm9g0CTIrBgehCCskkoQ5SdH qC3+Dhf6xAYwRDA== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com CRTC initialization call drm_mode_crtc_set_gamma_size without the proper checks, introduce this check. Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_crtc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_c= rtc.c index ff55099c86ce..39802c928bdf 100644 --- a/drivers/gpu/drm/vkms/vkms_crtc.c +++ b/drivers/gpu/drm/vkms/vkms_crtc.c @@ -293,7 +293,12 @@ struct vkms_crtc *vkms_crtc_init(struct vkms_device *v= kmsdev, struct drm_plane * } drm_crtc_helper_add(&vkms_crtc->base, &vkms_crtc_helper_funcs); =20 - drm_mode_crtc_set_gamma_size(&vkms_crtc->base, VKMS_LUT_SIZE); + ret =3D drm_mode_crtc_set_gamma_size(&vkms_crtc->base, VKMS_LUT_SIZE); + if (ret) { + DRM_DEV_ERROR(vkmsdev->drm.dev, "Failed to set gamma size\n"); + return ERR_PTR(ret); + } + drm_crtc_enable_color_mgmt(&vkms_crtc->base, 0, false, VKMS_LUT_SIZE); =20 spin_lock_init(&vkms_crtc->lock); --=20 2.44.2