Messages in this thread Patch in this message | | | From | Tomas Winkler <> | Subject | [char-misc-next] mei: bus: use scnprintf in *_show | Date | Thu, 24 Mar 2016 10:38:04 +0200 |
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From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
There's no reason to duplicate the logic provided by scnprintf().
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> --- 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 5d5996e39a67..04dc05150898 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -634,11 +634,8 @@ 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); @@ -647,11 +644,8 @@ 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); @@ -660,11 +654,8 @@ 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); @@ -673,10 +664,8 @@ 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); -- 2.4.3
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