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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/usb_wwan.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/usb_wwan.c')
-rw-r--r--drivers/usb/serial/usb_wwan.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 06212f08d9f9..cb01283d4d15 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -299,12 +299,12 @@ unsigned int usb_wwan_write_room(struct tty_struct *tty)
}
EXPORT_SYMBOL(usb_wwan_write_room);
-int usb_wwan_chars_in_buffer(struct tty_struct *tty)
+unsigned int usb_wwan_chars_in_buffer(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct usb_wwan_port_private *portdata;
int i;
- int data_len = 0;
+ unsigned int data_len = 0;
struct urb *this_urb;
portdata = usb_get_serial_port_data(port);
@@ -316,7 +316,7 @@ int usb_wwan_chars_in_buffer(struct tty_struct *tty)
if (this_urb && test_bit(i, &portdata->out_busy))
data_len += this_urb->transfer_buffer_length;
}
- dev_dbg(&port->dev, "%s: %d\n", __func__, data_len);
+ dev_dbg(&port->dev, "%s: %u\n", __func__, data_len);
return data_len;
}
EXPORT_SYMBOL(usb_wwan_chars_in_buffer);