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-rw-r--r--hw/usb/dev-serial.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index b58c4eb908..63047d79cf 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -614,7 +614,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
}
-static USBDevice *usb_braille_init(const char *unused)
+static USBDevice *usb_braille_init(void)
{
USBDevice *dev;
Chardev *cdrv;