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Message-Id: <0cb7ca73d9cd7162988a22a24cd18bbcd3d8bb27.1638156341.git.yang.guang5@zte.com.cn>
Date: Tue, 30 Nov 2021 08:05:08 +0800
From: davidcomponentone@...il.com
To: ducheng2@...il.com
Cc: davidcomponentone@...il.com, tzimmermann@...e.de,
penguin-kernel@...ove.SAKURA.ne.jp, gregkh@...uxfoundation.org,
cssk@...-c.es, yang.guang5@....com.cn,
dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] fbdev: replace snprintf in show functions with sysfs_emit
From: Yang Guang <yang.guang5@....com.cn>
coccinelle report:
./drivers/video/fbdev/core/fbcon.c:2680:8-16:
WARNING: use scnprintf or sprintf
./drivers/video/fbdev/core/fbcon.c:2655:8-16:
WARNING: use scnprintf or sprintf
Use sysfs_emit instead of scnprintf or sprintf makes more sense.
Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Yang Guang <yang.guang5@....com.cn>
---
drivers/video/fbdev/core/fbcon.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 99ecd9a6d844..b4234ec2f047 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2652,7 +2652,7 @@ static ssize_t show_rotate(struct device *device,
rotate = fbcon_get_rotate(info);
err:
console_unlock();
- return snprintf(buf, PAGE_SIZE, "%d\n", rotate);
+ return sysfs_emit(buf, "%d\n", rotate);
}
static ssize_t show_cursor_blink(struct device *device,
@@ -2677,7 +2677,7 @@ static ssize_t show_cursor_blink(struct device *device,
blink = (ops->flags & FBCON_FLAGS_CURSOR_TIMER) ? 1 : 0;
err:
console_unlock();
- return snprintf(buf, PAGE_SIZE, "%d\n", blink);
+ return sysfs_emit(buf, "%d\n", blink);
}
static ssize_t store_cursor_blink(struct device *device,
--
2.30.2
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