[PATCH 1/1] tty-hvsi_lib: Deletion of an unnecessary check before the function call "tty_kref_put"

SF Markus Elfring
2014-11-21T11:46:15Z

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 21 Nov 2014 12:40:32 +0100

The tty_kref_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/tty/hvc/hvsi_lib.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c
index 7ae6c29..a270f04 100644
--- a/drivers/tty/hvc/hvsi_lib.c
+++ b/drivers/tty/hvc/hvsi_lib.c
@@ -405,8 +405,7 @@ void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp)
hvsi_send_close(pv);
}

- if (pv->tty)
- tty_kref_put(pv->tty);
+ tty_kref_put(pv->tty);
pv->tty = NULL;
}

--
2.1.3