From patchwork Thu Jul 11 09:15:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 13730233 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B94FBC3DA4D for ; Thu, 11 Jul 2024 09:15:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B5F6A10E9C7; Thu, 11 Jul 2024 09:15:54 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=igalia.com header.i=@igalia.com header.b="RVz3MHY1"; dkim-atps=neutral Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id F175010E9C7 for ; Thu, 11 Jul 2024 09:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=0mbz/fQwzoPySa2Th0QZboE8GOJpawLUq/2KBSEB9pI=; b=RVz3MHY1BFkyd9RfpH+FgREVk8 bvm60f+IMa8aN7UI2caTZdC6sEq3qwBQkObxIOIyrTJW7vjohbN2sfpv7rVzkYVm95bwd2L5cZST3 ag9ZZSB+7Hyp1APkLfa29dT2PbsJlMk96x8vcJVAHn/R+PEbrI6sCl2hGix1mGFTtOBLXqfVI2muk cz/FgXi5cgrOVZ18NRd+zCMEe8kPcSYNKic/QY985hEXGTOsKKvCNgWDZZ9rP/79NojECXGHuVR+w yv1Litli7z9/XmPW7ZdQPdGes4TpY+c1bwQl90ZSpffX0g3yGIBDAc9YLoOkLqSkK/l74HZemS7J+ v3WQVSzQ==; Received: from [84.69.19.168] (helo=localhost) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1sRpu2-00DcL7-9M; Thu, 11 Jul 2024 11:15:50 +0200 From: Tvrtko Ursulin To: dri-devel@lists.freedesktop.org Cc: =?utf-8?q?Ma=C3=ADra_Canal?= , kernel-dev@igalia.com, Tvrtko Ursulin Subject: [PATCH 10/11] drm/v3d: Prefer get_user for scalar types Date: Thu, 11 Jul 2024 10:15:41 +0100 Message-ID: <20240711091542.82083-11-tursulin@igalia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240711091542.82083-1-tursulin@igalia.com> References: <20240711091542.82083-1-tursulin@igalia.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Tvrtko Ursulin It makes it just a tiny bit more obvious what is going on. Signed-off-by: Tvrtko Ursulin Reviewed-by: Maíra Canal --- drivers/gpu/drm/v3d/v3d_submit.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/v3d/v3d_submit.c b/drivers/gpu/drm/v3d/v3d_submit.c index d1060e60aafa..b282d12571b5 100644 --- a/drivers/gpu/drm/v3d/v3d_submit.c +++ b/drivers/gpu/drm/v3d/v3d_submit.c @@ -485,14 +485,14 @@ v3d_get_cpu_timestamp_query_params(struct drm_file *file_priv, for (i = 0; i < timestamp.count; i++) { u32 offset, sync; - if (copy_from_user(&offset, offsets++, sizeof(offset))) { + if (get_user(offset, offsets++)) { err = -EFAULT; goto error; } job->timestamp_query.queries[i].offset = offset; - if (copy_from_user(&sync, syncs++, sizeof(sync))) { + if (get_user(sync, syncs++)) { err = -EFAULT; goto error; } @@ -550,7 +550,7 @@ v3d_get_cpu_reset_timestamp_params(struct drm_file *file_priv, job->timestamp_query.queries[i].offset = reset.offset + 8 * i; - if (copy_from_user(&sync, syncs++, sizeof(sync))) { + if (get_user(sync, syncs++)) { err = -EFAULT; goto error; } @@ -611,14 +611,14 @@ v3d_get_cpu_copy_query_results_params(struct drm_file *file_priv, for (i = 0; i < copy.count; i++) { u32 offset, sync; - if (copy_from_user(&offset, offsets++, sizeof(offset))) { + if (get_user(offset, offsets++)) { err = -EFAULT; goto error; } job->timestamp_query.queries[i].offset = offset; - if (copy_from_user(&sync, syncs++, sizeof(sync))) { + if (get_user(sync, syncs++)) { err = -EFAULT; goto error; }