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authorJiri Slaby <jslaby@suse.cz>2021-05-05 12:19:20 +0300
committerJohan Hovold <johan@kernel.org>2021-05-19 11:56:41 +0300
commit155591d3ceeec2cd6a50b40278e2014c45f6b5f6 (patch)
tree4edf2ca8a9c98fd738273d8d42225e0a53ce5eee /drivers/usb/serial/io_edgeport.c
parent94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560 (diff)
downloadlinux-155591d3ceeec2cd6a50b40278e2014c45f6b5f6.tar.xz
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/io_edgeport.c')
-rw-r--r--drivers/usb/serial/io_edgeport.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index f6cedc87d3e4..1f8dff4390c7 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -1391,11 +1391,11 @@ static unsigned int edge_write_room(struct tty_struct *tty)
* system,
* Otherwise we return a negative error number.
*****************************************************************************/
-static int edge_chars_in_buffer(struct tty_struct *tty)
+static unsigned int edge_chars_in_buffer(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct edgeport_port *edge_port = usb_get_serial_port_data(port);
- int num_chars;
+ unsigned int num_chars;
unsigned long flags;
if (edge_port == NULL)
@@ -1413,7 +1413,7 @@ static int edge_chars_in_buffer(struct tty_struct *tty)
edge_port->txfifo.count;
spin_unlock_irqrestore(&edge_port->ep_lock, flags);
if (num_chars) {
- dev_dbg(&port->dev, "%s - returns %d\n", __func__, num_chars);
+ dev_dbg(&port->dev, "%s - returns %u\n", __func__, num_chars);
}
return num_chars;