Commit 7be88b4c authored Jan 30, 2013 by Peter Hurley Committed by Greg Kroah-Hartman Feb 04, 2013

tty: Document required behavior of tty driver close()



If the tty driver open() fails, the tty driver close() is still
called during the resultant tty release.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 69939035

include/linux/tty_driver.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@
		* void (close)(struct tty_struct tty, struct file * filp);
		*
		* This routine is called when a particular tty device is closed.
		* Note: called even if the corresponding open() failed.
		*
		* Required method.
		*