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-rw-r--r--include/linux/tty_driver.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index e064f1704e20..6e6dbb7447b6 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -50,6 +50,8 @@
* Note that tty_shutdown() is not called if ops->shutdown is defined.
* This means one is responsible to take care of calling ops->remove (e.g.
* via tty_driver_remove_tty) and releasing tty->termios.
+ * Note that this hook may be called from *all* the contexts where one
+ * uses tty refcounting (e.g. tty_port_tty_get).
*
*
* void (*cleanup)(struct tty_struct * tty);