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Commit 428d9988 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: serial: export usb_serial_generic_chars_in_buffer 



Export generic chars_in_buffer implementation so it can be used in
subdrivers in combination with checks of any hardware buffers.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a4afff6b

drivers/usb/serial/generic.c

+1 −0
Original line number Diff line number Diff line
@@ -262,6 +262,7 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty) 
	dev_dbg(&port->dev, "%s - returns %d\n", __func__, chars);

	return chars;

}

EXPORT_SYMBOL_GPL(usb_serial_generic_chars_in_buffer);



static int usb_serial_generic_submit_read_urb(struct usb_serial_port *port,

						int index, gfp_t mem_flags)