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tty: Document required behavior of tty driver close()

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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>
This commit is contained in:
Peter Hurley 2013-01-30 12:43:51 -05:00 committed by Greg Kroah-Hartman
parent 699390354d
commit 7be88b4ccb
1 changed files with 1 additions and 0 deletions
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include/linux/tty_driver.h
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@ -40,6 +40,7 @@
* void (*close)(struct tty_struct * tty, struct file * filp); * void (*close)(struct tty_struct * tty, struct file * filp);
* *
* This routine is called when a particular tty device is closed. * This routine is called when a particular tty device is closed.
* Note: called even if the corresponding open() failed.
* *
* Required method. * Required method.
* *