From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B11F83FBEB3 for ; Thu, 7 May 2026 14:00:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778162437; cv=none; b=VJRaF9e4Rqghj3s+VrbGJjZwxeGEbw37dW+HETQi4ia6GlaE/VvZix7HP/7YDj/kh8FEjbMmq5JUDkC6eMqM4tgWvBFuRc9zNuF65rKHaW/MPWJCDPoxZMi3PRWkvsyAyj7f7eUN/05OkgA3EefwLXbw0R19SowH47C5ScIEWMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778162437; c=relaxed/simple; bh=0Md9K0ehnCxUNP9VxL+ZkWs040mqlqf71Wfx81eKDys=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=n7hP7po08nhQJKutCR7Wjy5U9qHBs3kjOSrhXCnyiAbeGWYzb3oi1g7f0A5tI0cBv2ys+srp66m41VkXVvJWip+DhoiJc7mUrVCYy0wthZixCRdJnXRJdzhxFKvwoSdXRn/CciOO1Ivg7eVBAzkf0XgbklmojlUEeWoCvV2oUdQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=Juv1r3JB; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="Juv1r3JB" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7109C2641; Thu, 7 May 2026 07:00:29 -0700 (PDT) Received: from [10.57.67.110] (unknown [10.57.67.110]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 54EE63F763; Thu, 7 May 2026 07:00:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1778162434; bh=0Md9K0ehnCxUNP9VxL+ZkWs040mqlqf71Wfx81eKDys=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=Juv1r3JB0WACL5+W+WXJUyxQzkaKrBC/y3z9oO8Tv9WdOkWkSlGjIUCMlQjvtmgT9 QC0suT5OUGIz203EStDQP9EUkGcWI9bd2Zz3sAXzWG3cZ+WnIURK6oH7jNPL66cEH8 JI+xyamwZpMIinL09k+g/jMrFd8vi7w/eq6wKmsg= Message-ID: Date: Thu, 7 May 2026 15:00:26 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 0/2] Fix dma_resv_wait_timeout() return handling in rocket/panfrost ioctls To: Gyeyoung Baek , Tomeu Vizoso , Boris Brezillon , Rob Herring , =?UTF-8?Q?Adri=C3=A1n_Larumbe?= Cc: Oded Gabbay , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: From: Steven Price Content-Language: en-GB In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 19/04/2026 08:17, Gyeyoung Baek wrote: > dma_resv_wait_timeout() returns a positive 'long' (remaining jiffies) > on success, which is truncated to 'int`. > So userspace interpret that as an error. > > Each patch explicitly sets `ret` to 0 on the > success path. > > Gyeyoung Baek (2): > accel/rocket: Fix prep_bo ioctl leaking positive return from > dma_resv_wait_timeout() > drm/panfrost: Fix wait_bo ioctl leaking positive return from > dma_resv_wait_timeout() > > drivers/accel/rocket/rocket_gem.c | 2 ++ > drivers/gpu/drm/panfrost/panfrost_drv.c | 2 ++ > 2 files changed, 4 insertions(+) > Both patches pushed to drm-misc-fixes. Thanks, Steve