summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPeter Hurley <peter@hurleysoftware.com>2013-01-30 12:43:51 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-02-04 15:40:28 -0800
commit7be88b4ccb62737abe4bf27f9e66e224a70a12c4 (patch)
tree874765b5b44d8fcb56d15e07c8d2610cb5b7061d
parent699390354da6c258b65bf8fa79cfd5feaede50b6 (diff)
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>
-rw-r--r--include/linux/tty_driver.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index dd976cfb6131..756a60989294 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -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.
*