diff options
| author | Rasmus Villemoes | 2015-11-14 22:08:08 +0100 |
|---|---|---|
| committer | Jiri Kosina | 2015-11-20 10:48:04 +0100 |
| commit | dfa0c5faf1b8964fa508373232b4cb597a5c226b (patch) | |
| tree | a2ffa63bab70f89d01bdff92e6a50868afbea053 /drivers/hid | |
| parent | 406df15344cc54be9f6852917b19394c375c7b59 (diff) | |
HID: core: use scnprintf in modalias_show()
scnprintf() exists to provide these semantics, so we might as well use
it.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-core.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index d5ddb7573691..3c1cfc6d9964 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2217,12 +2217,9 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a, char *buf) { struct hid_device *hdev = container_of(dev, struct hid_device, dev); - int len; - - len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", - hdev->bus, hdev->group, hdev->vendor, hdev->product); - return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; + return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n", + hdev->bus, hdev->group, hdev->vendor, hdev->product); } static DEVICE_ATTR_RO(modalias); |