spi: spidev: Remove unneeded variable

Remove unneeded variable used to store return value.

The semantic patch that makes this change is available
in scripts/coccinelle/misc/returnvar.cocci.

More information about semantic patching is available at
http://coccinelle.lip6.fr/Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spidev.c

@@ -616,7 +616,6 @@ static int spidev_open(struct inode *inode, struct file *filp)
 static int spidev_release(struct inode *inode, struct file *filp)
 {
 	struct spidev_data	*spidev;
-	int			status = 0;
 
 	mutex_lock(&device_list_lock);
 	spidev = filp->private_data;
@@ -645,7 +644,7 @@ static int spidev_release(struct inode *inode, struct file *filp)
 	}
 	mutex_unlock(&device_list_lock);
 
-	return status;
+	return 0;
 }
 
 static const struct file_operations spidev_fops = {