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Commit 92c4a1b9 authored by Julia Lawall's avatar Julia Lawall Committed by Jiri Kosina
Browse files

HID: Use DIV_ROUND_UP 



The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
(d)) but is perhaps more readable.

Signed-off-by: default avatarJulia Lawall <julia@diku.dk>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 790c9d8d

drivers/hid/usbhid/hid-core.c

+1 −1
Original line number Diff line number Diff line
@@ -278,7 +278,7 @@ static int hid_submit_ctrl(struct hid_device *hid) 
		usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0);

		maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0);

		if (maxpacket > 0) {

			padlen = (len + maxpacket - 1) / maxpacket;

			padlen = DIV_ROUND_UP(len, maxpacket);

			padlen *= maxpacket;

			if (padlen > usbhid->bufsize)

				padlen = usbhid->bufsize;