linux-kernel - [PATCH] staging: dgnc: Remove explicit NULL comparison

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Message-Id: <1445276675-23226-1-git-send-email-falakreyaz@gmail.com>
Date:	Mon, 19 Oct 2015 23:14:35 +0530
From:	Muhammad Falak R Wani <falakreyaz@...il.com>
To:	Lidza Louina <lidza.louina@...il.com>,
	Mark Hounschell <markh@...pro.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Cc:	Muhammad Falak R Wani <falakreyaz@...il.com>
Subject: [PATCH] staging: dgnc: Remove explicit NULL comparison

Rewrite explicit NULL comparison in its simpler form.
<smpl>
@NULL_REPLACE@
expression e;
@@

-e == NULL
+ !e
</smpl>

Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com>
---
 drivers/staging/dgnc/dgnc_tty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index ce4187f..973263e 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -1521,7 +1521,7 @@ static int dgnc_tty_chars_in_buffer(struct tty_struct *tty)
 	uint chars = 0;
 	unsigned long flags;
 
-	if (tty == NULL)
+	if (!tty)
 		return 0;
 
 	un = tty->driver_data;
-- 
1.9.1

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