We still don't have the tty layer licensing compatibility quite right.
tty_insert_flip_char() used to be inlined in include/linux/tty_flip.h. It
is now out-of-lined and hence needs EXPORT_SYMBOL() to be back-compatible.
One known offender is the Intel Modem driver.
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
ff4547f4aa