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

From: SF Markus Elfring <[email-masked]>
Date: Fri, 21 Nov 2014 12:45:50 +0100

From: Markus Elfring <[email-masked]>
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 <[email-masked]>
---
 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