From dfa0c5faf1b8964fa508373232b4cb597a5c226b Mon Sep 17 00:00:00 2001 From: Rasmus Villemoes Date: Sat, 14 Nov 2015 22:08:08 +0100 Subject: [PATCH] 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 Signed-off-by: Jiri Kosina --- drivers/hid/hid-core.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index d5ddb75..3c1cfc6 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); -- 2.7.4