From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
To: Tomas Winkler <tomas.winkler@intel.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>,
linux-kernel@vger.kernel.org
Subject: [PATCH] mei: bus: use scnprintf in *_show
Date: Sat, 14 Nov 2015 21:51:04 +0100 [thread overview]
Message-ID: <1447534264-7497-1-git-send-email-linux@rasmusvillemoes.dk> (raw)
There's no reason to duplicate the logic provided by scnprintf().
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
drivers/misc/mei/bus.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 0b05aa938799..630bdf1f8bcb 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -617,11 +617,8 @@ static ssize_t name_show(struct device *dev, struct device_attribute *a,
char *buf)
{
struct mei_cl_device *cldev = to_mei_cl_device(dev);
- size_t len;
- len = snprintf(buf, PAGE_SIZE, "%s", cldev->name);
-
- return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+ return scnprintf(buf, PAGE_SIZE, "%s", cldev->name);
}
static DEVICE_ATTR_RO(name);
@@ -630,11 +627,8 @@ static ssize_t uuid_show(struct device *dev, struct device_attribute *a,
{
struct mei_cl_device *cldev = to_mei_cl_device(dev);
const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);
- size_t len;
-
- len = snprintf(buf, PAGE_SIZE, "%pUl", uuid);
- return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+ return scnprintf(buf, PAGE_SIZE, "%pUl", uuid);
}
static DEVICE_ATTR_RO(uuid);
@@ -643,11 +637,8 @@ static ssize_t version_show(struct device *dev, struct device_attribute *a,
{
struct mei_cl_device *cldev = to_mei_cl_device(dev);
u8 version = mei_me_cl_ver(cldev->me_cl);
- size_t len;
-
- len = snprintf(buf, PAGE_SIZE, "%02X", version);
- return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+ return scnprintf(buf, PAGE_SIZE, "%02X", version);
}
static DEVICE_ATTR_RO(version);
@@ -656,10 +647,8 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
{
struct mei_cl_device *cldev = to_mei_cl_device(dev);
const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl);
- size_t len;
- len = snprintf(buf, PAGE_SIZE, "mei:%s:%pUl:", cldev->name, uuid);
- return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
+ return scnprintf(buf, PAGE_SIZE, "mei:%s:%pUl:", cldev->name, uuid);
}
static DEVICE_ATTR_RO(modalias);
--
2.6.1
reply other threads:[~2015-11-14 20:52 UTC|newest]
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