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HID: core: use scnprintf in modalias_show()

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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>
This commit is contained in:
Rasmus Villemoes 2015-11-14 22:08:08 +01:00 committed by Jiri Kosina
parent 406df15344
commit dfa0c5faf1
1 changed files with 2 additions and 5 deletions
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7
drivers/hid/hid-core.c
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@ -2217,12 +2217,9 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
char *buf) char *buf)
{ {
struct hid_device *hdev = container_of(dev, struct hid_device, dev); 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", return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
hdev->bus, hdev->group, hdev->vendor, hdev->product); hdev->bus, hdev->group, hdev->vendor, hdev->product);
return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
} }
static DEVICE_ATTR_RO(modalias); static DEVICE_ATTR_RO(modalias);