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path: root/drivers/usb/host/xhci-dbgtty.c
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Diffstat (limited to 'drivers/usb/host/xhci-dbgtty.c')
-rw-r--r--drivers/usb/host/xhci-dbgtty.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index ae4e4ab638b5..cd3ab35dd689 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -240,11 +240,11 @@ static void dbc_tty_flush_chars(struct tty_struct *tty)
spin_unlock_irqrestore(&port->port_lock, flags);
}
-static int dbc_tty_write_room(struct tty_struct *tty)
+static unsigned int dbc_tty_write_room(struct tty_struct *tty)
{
struct dbc_port *port = tty->driver_data;
unsigned long flags;
- int room = 0;
+ unsigned int room;
spin_lock_irqsave(&port->port_lock, flags);
room = kfifo_avail(&port->write_fifo);