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authorMarc-André Lureau <marcandre.lureau@redhat.com>2017-06-22 13:04:16 +0200
committerMarc-André Lureau <marcandre.lureau@redhat.com>2017-08-31 12:29:07 +0200
commit54ac85ef0d5c76503548cec29e4e0b556e3cf00b (patch)
tree7af6189d02a551dc2a5db28c77be1143766bda95 /hw/usb/dev-hub.c
parentfa141081b9e2b6c4ae963604fcb5b994ff322936 (diff)
usb-hub: use DIV_ROUND_UP
I used the clang-tidy qemu-round check to generate the fix: https://github.com/elmarco/clang-tools-extra Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'hw/usb/dev-hub.c')
-rw-r--r--hw/usb/dev-hub.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index e82a6a6c44..752e30c305 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -109,7 +109,7 @@ static const USBDescIface desc_iface_hub = {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize = 1 + (NUM_PORTS + 7) / 8,
+ .wMaxPacketSize = 1 + DIV_ROUND_UP(NUM_PORTS, 8),
.bInterval = 0xff,
},
}
@@ -442,14 +442,14 @@ static void usb_hub_handle_control(USBDevice *dev, USBPacket *p,
data[2] = NUM_PORTS;
/* fill DeviceRemovable bits */
- limit = ((NUM_PORTS + 1 + 7) / 8) + 7;
+ limit = DIV_ROUND_UP(NUM_PORTS + 1, 8) + 7;
for (n = 7; n < limit; n++) {
data[n] = 0x00;
var_hub_size++;
}
/* fill PortPwrCtrlMask bits */
- limit = limit + ((NUM_PORTS + 7) / 8);
+ limit = limit + DIV_ROUND_UP(NUM_PORTS, 8);
for (;n < limit; n++) {
data[n] = 0xff;
var_hub_size++;
@@ -477,7 +477,7 @@ static void usb_hub_handle_data(USBDevice *dev, USBPacket *p)
unsigned int status;
uint8_t buf[4];
int i, n;
- n = (NUM_PORTS + 1 + 7) / 8;
+ n = DIV_ROUND_UP(NUM_PORTS + 1, 8);
if (p->iov.size == 1) { /* FreeBSD workaround */
n = 1;
} else if (n > p->iov.size) {