[PATCH] misc NULL noise

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index f5d8872..882c36e 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -329,7 +329,7 @@
 	ae->dev = dev;
 	ae->irq = priv->ata_irq;
 
-	aio->cmd_addr		= 0;	/* Don't have a classic reg block */
+	aio->cmd_addr		= NULL;	/* Don't have a classic reg block */
 	aio->altstatus_addr	= &priv->ata_regs->tf_control;
 	aio->ctl_addr		= &priv->ata_regs->tf_control;
 	aio->data_addr		= &priv->ata_regs->tf_data;