linux-kernel - [PATCH] drm/komeda: convert sysfs sprintf/snprintf family to sysfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  4 Feb 2021 14:38:28 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     james.qian.wang@....com
Cc:     liviu.dudau@....com, mihail.atanassov@....com,
        brian.starkey@....com, airlied@...ux.ie, daniel@...ll.ch,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] drm/komeda: convert sysfs sprintf/snprintf family to sysfs_emit

Fix the following coccicheck warning:

./drivers/gpu/drm/arm/display/komeda/komeda_dev.c:97:8-16: WARNING: use
scnprintf or sprintf.

./drivers/gpu/drm/arm/display/komeda/komeda_dev.c:88:8-16: WARNING: use
scnprintf or sprintf.

./drivers/gpu/drm/arm/display/komeda/komeda_dev.c:65:8-16: WARNING: use
scnprintf or sprintf.

Reported-by: Abaci Robot<abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_dev.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
index ca891ae..cc7664c 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c
@@ -62,7 +62,7 @@ static void komeda_debugfs_init(struct komeda_dev *mdev)
 {
 	struct komeda_dev *mdev = dev_to_mdev(dev);
 
-	return snprintf(buf, PAGE_SIZE, "0x%08x\n", mdev->chip.core_id);
+	return sysfs_emit(buf, "0x%08x\n", mdev->chip.core_id);
 }
 static DEVICE_ATTR_RO(core_id);
 
@@ -85,7 +85,7 @@ static void komeda_debugfs_init(struct komeda_dev *mdev)
 		if (pipe->layers[i]->layer_type == KOMEDA_FMT_RICH_LAYER)
 			config_id.n_richs++;
 	}
-	return snprintf(buf, PAGE_SIZE, "0x%08x\n", config_id.value);
+	return sysfs_emit(buf, "0x%08x\n", config_id.value);
 }
 static DEVICE_ATTR_RO(config_id);
 
@@ -94,7 +94,7 @@ static void komeda_debugfs_init(struct komeda_dev *mdev)
 {
 	struct komeda_dev *mdev = dev_to_mdev(dev);
 
-	return snprintf(buf, PAGE_SIZE, "%lu\n", clk_get_rate(mdev->aclk));
+	return sysfs_emit(buf, "%lu\n", clk_get_rate(mdev->aclk));
 }
 static DEVICE_ATTR_RO(aclk_hz);
 
-- 
1.8.3.1