Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Qing Wang <wangqing@vivo.com>
To:     Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>, amd-gfx@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc:     Qing Wang <wangqing@vivo.com>
Subject: [PATCH] amdgpu: replace snprintf in show functions with sysfs_emit
Date:   Thu, 14 Oct 2021 23:47:20 -0700
Message-Id: <1634280441-4248-1-git-send-email-wangqing@vivo.com>
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?q7uV9p74/ncIXpcl6LHUtrk/8c3EO2boT/K+zW7J8UHB60yOUei2kfp5Q+Xn?=
 =?us-ascii?Q?yTEDHODl0B8wZexMLzzsT3IM2L18IWkyFSDXLkvADRV+6OZN6HnJ/Hb5eHcC?=
 =?us-ascii?Q?uDlVmjVbnjzXc0/DfyedQsvvmbQg2CUPeluWQueCT6aCjMudwnvP5CS9pOAD?=
 =?us-ascii?Q?tP0eQ5T47IjEZt4ygJnRJxuk3yR2x2N0OhRZiKUavbwZh9vLKciMyBHEMG2u?=
 =?us-ascii?Q?bvtb14rIqLI2yCjjWRGOSDpd52/NXfBz5WUjseJLwdvwHDqFQqwc0MCxsOgw?=
 =?us-ascii?Q?Yu6I6OfQIZ/lZzfKUKXiZkyH/jr95I0id2t2Dc/LQGx8HmvBmjmRYSEWEO/l?=
 =?us-ascii?Q?+p2t5FCPE4iKhMEvlZORopwKRxDEfFrScu0n6Sl/Lt8IY0ZaVZIySNTb1MFM?=
 =?us-ascii?Q?loDVTBdDE8/xzX7OSIR4wkhmB1kICtvquk/vNCjIW0FIST0oc+5kl7nmxQ4t?=
 =?us-ascii?Q?xpOc0dceIUHAcJTcPX8yrBCGk8C0K3lSQOdSeUJC6p3iHZh6LKo2yIMcfAu9?=
 =?us-ascii?Q?ycyqRr7odNPboWvgptrR3/VkS7Tk5Oohh5IlbqSRA3avF2pDpgwPj019wU8d?=
 =?us-ascii?Q?69rsQB4GEy26nsyArWIh4hNONQSpbODqGWJon1PrS4uaTEUVxBmDU6EfDyHk?=
 =?us-ascii?Q?ysMAi8YeUREOVPplCSbUCw2fhrG6BmKh7l7JGbBrUz/CFNv+VxLAPsPQJUiF?=
 =?us-ascii?Q?0T4FK5ebi/hLEBfFTxyKMRRss7MDx59/rcXWX2w976LzqtuJmbDO25BFmztV?=
 =?us-ascii?Q?L5jJgH2UovmPdSiVqEhdqaZi0uqv4dIVNtuPEfk8GgAQjRCu5uv5sfMeeK7U?=
 =?us-ascii?Q?G9sPJMWGWordIzUxWvwRyN1BHOzcS1oT9I2ydC4F5/zj///Bf2sQJZyFB0hi?=
 =?us-ascii?Q?Gr8RXxjvEB/oGotDpO0QI4/NvTBgozCaSbvAFBJEoxAOQcL9lGvbAKUszbDE?=
 =?us-ascii?Q?1YcGVekjZ04lF5aE0zMR/uTa61YVTYKT023WSh2di/k51IVO0GhqkEglVyu4?=
 =?us-ascii?Q?MI04faxBt4E3G+8N1YoNVQv8PjkBzOZkTLJFCQzoc+LbkJ3/e2wRuPtoMooh?=
 =?us-ascii?Q?RwcgVY1Lk8AAS/eeYCbdqo6mXMMan6FG4shRaZvK7jezZJ4PcT0EX9ItCnr4?=
 =?us-ascii?Q?pQ5OW5FMFNaln80RyBTu1n7PJuqMEcZrCOhJBioOldhROw1faCiTIeEO2eOA?=
 =?us-ascii?Q?NyrYOwyqSqWqsvdDxprQ0m4SDHPM4KfJmMadXYwwekF1jzWpFPPF3qIkkn7C?=
 =?us-ascii?Q?lbnyTRqHCocNq5xVrtmUVzeJiS24S4vJaLecnBHdU/8UjMrqg7qQY/FtNjmf?=
 =?us-ascii?Q?Lmn9WvkML0SVwEAdJ9OwhcW+?=
X-OriginatorOrg: vivo.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 2eb778af-8cca-4f71-9760-08d98fa7a882
X-MS-Exchange-CrossTenant-AuthSource: SL2PR06MB3082.apcprd06.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Oct 2021 06:47:30.0746
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: qN+yasY0Q3sP220dLiW7a/XFqr7iCTtAc2e/Zjw4TWtowuQdPSmxlK3pz9jz9NO5OIrsa8CKGXWJJY4hbQyRgA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SL2PR06MB3388
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

show() must not use snprintf() when formatting the value to be
returned to user space.

Fix the following coccicheck warning:
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c:427: 
WARNING: use scnprintf or sprintf.

Signed-off-by: Qing Wang <wangqing@vivo.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index 2834981..faf4011 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -424,7 +424,7 @@ static ssize_t show_##name(struct device *dev,				\
 	struct drm_device *ddev = dev_get_drvdata(dev);			\
 	struct amdgpu_device *adev = drm_to_adev(ddev);			\
 									\
-	return snprintf(buf, PAGE_SIZE, "0x%08x\n", adev->field);	\
+	return sysfs_emit(buf, "0x%08x\n", adev->field);	\
 }									\
 static DEVICE_ATTR(name, mode, show_##name, NULL)
 
-- 
2.7.4