[PATCH v2 1/2] Export usb_serial_generic_write_room for use in modules

[Alon Ziv <alon+git@nolaviz.org>]

Any module using usb_serial_generic_write (which is already exported)
had better use usb_serial_generic_write_room as well, or be prepared
for failures.

Signed-off-by: Alon Ziv <alon-git@nolaviz.org>
---
 drivers/usb/serial/generic.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index e6833e2..c663369 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -288,6 +288,7 @@ int usb_serial_generic_write_room(struct tty_struct *tty)
 	dbg("%s - returns %d", __func__, room);
 	return room;
 }
+EXPORT_SYMBOL_GPL(usb_serial_generic_write_room);
 
 int usb_serial_generic_chars_in_buffer(struct tty_struct *tty)
 {
-- 
1.7.0.4