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@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/speakup/devsynth.c b/drivers/staging/speakup/devsynth.c
index 71c728a..d1ffdf4 100644 (file)
--- 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;