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author | Jiri Slaby <jslaby@suse.cz> | 2021-05-05 12:19:20 +0300 |
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committer | Johan Hovold <johan@kernel.org> | 2021-05-19 11:56:41 +0300 |
commit | 155591d3ceeec2cd6a50b40278e2014c45f6b5f6 (patch) | |
tree | 4edf2ca8a9c98fd738273d8d42225e0a53ce5eee /drivers/usb/serial/generic.c | |
parent | 94cc7aeaf6c0cff0b8aeb7cb3579cee46b923560 (diff) | |
download | linux-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/generic.c')
-rw-r--r-- | drivers/usb/serial/generic.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index bc3cf66af0de..15b6dee3a8e5 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -247,11 +247,11 @@ unsigned int usb_serial_generic_write_room(struct tty_struct *tty) return room; } -int usb_serial_generic_chars_in_buffer(struct tty_struct *tty) +unsigned int usb_serial_generic_chars_in_buffer(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; unsigned long flags; - int chars; + unsigned int chars; if (!port->bulk_out_size) return 0; @@ -260,7 +260,7 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty) chars = kfifo_len(&port->write_fifo) + port->tx_bytes; spin_unlock_irqrestore(&port->lock, flags); - dev_dbg(&port->dev, "%s - returns %d\n", __func__, chars); + dev_dbg(&port->dev, "%s - returns %u\n", __func__, chars); return chars; } EXPORT_SYMBOL_GPL(usb_serial_generic_chars_in_buffer); |