summary refs log tree commit diff
path: root/drivers/usb/serial/oti6858.c
diff options
context:
space:
mode:
authorJiri Slaby <jslaby@suse.cz>2021-05-05 11:19:20 +0200
committerJohan Hovold <johan@kernel.org>2021-05-19 10:56:41 +0200
commit155591d3ceeec2cd6a50b40278e2014c45f6b5f6 (patch)
tree4edf2ca8a9c98fd738273d8d42225e0a53ce5eee /drivers/usb/serial/oti6858.c
parent94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560 (diff)
downloadlinux-155591d3ceeec2cd6a50b40278e2014c45f6b5f6.tar.gz
USB: serial: make usb_serial_driver::chars_in_buffer return uint
tty_operations::chars_in_buffer is being switched to return uint. Do the
same for usb_serial_driver's chars_in_buffer.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
[ johan: amend commit message ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial/oti6858.c')
-rw-r--r--drivers/usb/serial/oti6858.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 4ab9f335dd0e..a5caedbe72e2 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -127,7 +127,7 @@ static void oti6858_write_bulk_callback(struct urb *urb);
 static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
 			const unsigned char *buf, int count);
 static unsigned int oti6858_write_room(struct tty_struct *tty);
-static int oti6858_chars_in_buffer(struct tty_struct *tty);
+static unsigned int oti6858_chars_in_buffer(struct tty_struct *tty);
 static int oti6858_tiocmget(struct tty_struct *tty);
 static int oti6858_tiocmset(struct tty_struct *tty,
 				unsigned int set, unsigned int clear);
@@ -376,10 +376,10 @@ static unsigned int oti6858_write_room(struct tty_struct *tty)
 	return room;
 }
 
-static int oti6858_chars_in_buffer(struct tty_struct *tty)
+static unsigned int oti6858_chars_in_buffer(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
-	int chars = 0;
+	unsigned int chars;
 	unsigned long flags;
 
 	spin_lock_irqsave(&port->lock, flags);