[PATCH 5/9] staging: dgap: introduce dgap_tty_unregister()
From: Daeseok Youn
Date: Fri Jun 13 2014 - 03:42:46 EST
dgap_tty_unregister() will unregister serial_driver
and print_driver, and also free related variables.
Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>
---
drivers/staging/dgap/dgap.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 497e6f3..4ea7a33 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -122,6 +122,7 @@ static int dgap_tty_put_char(struct tty_struct *tty, unsigned char c);
static void dgap_tty_send_xchar(struct tty_struct *tty, char ch);
static int dgap_tty_register(struct board_t *brd);
+static void dgap_tty_unregister(struct board_t *brd);
static int dgap_tty_init(struct board_t *);
static void dgap_tty_free(struct board_t *);
static void dgap_cleanup_tty(struct board_t *);
@@ -1320,6 +1321,14 @@ free_serial_drv:
return rc;
}
+static void dgap_tty_unregister(struct board_t *brd)
+{
+ tty_unregister_driver(brd->print_driver);
+ tty_unregister_driver(brd->serial_driver);
+ put_tty_driver(brd->print_driver);
+ put_tty_driver(brd->serial_driver);
+}
+
/*
* dgap_tty_init()
*
--
1.7.1
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