linux-kernel - [PATCH v2 02/16] Staging: speakup: devsynth.c: Remove explicit NULL comparison

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Date:	Fri, 11 Sep 2015 11:32:26 +0530
From:	Shraddha Barke <shraddha.6596@...il.com>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Julia Lawall <Julia.Lawall@...6.fr>
Cc:	speakup@...ux-speakup.org, linux-kernel@...r.kernel.org,
	Shraddha Barke <shraddha.6596@...il.com>
Subject: [PATCH v2 02/16] Staging: speakup: devsynth.c: Remove explicit NULL comparison

Remove explicit NULL comparison and write it in its simpler form.
Replacement done with coccinelle:

@replace_rule@
expression e;
@@

-e == NULL
+ !e

Signed-off-by: Shraddha Barke <shraddha.6596@...il.com>
---
Change in v2-
 No change

 drivers/staging/speakup/devsynth.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/speakup/devsynth.c b/drivers/staging/speakup/devsynth.c
index 71c728a..d1ffdf4 100644
--- a/drivers/staging/speakup/devsynth.c
+++ b/drivers/staging/speakup/devsynth.c
@@ -22,7 +22,7 @@ static ssize_t speakup_file_write(struct file *fp, const char __user *buffer,
 	unsigned long flags;
 	u_char buf[256];
 
-	if (synth == NULL)
+	if (!synth)
 		return -ENODEV;
 	while (count > 0) {
 		bytes = min(count, sizeof(buf));
@@ -45,7 +45,7 @@ static ssize_t speakup_file_read(struct file *fp, char __user *buf,
 
 static int speakup_file_open(struct inode *ip, struct file *fp)
 {
-	if (synth == NULL)
+	if (!synth)
 		return -ENODEV;
 	if (xchg(&dev_opened, 1))
 		return -EBUSY;
-- 
2.1.4

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