[PATCH] i2c: kzalloc cleanups, 1 of 2

Drop useless casts on kzalloc returned values, as suggested by
Jiri Slaby.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/i2c/busses/i2c-keywest.c

@@ -535,7 +535,7 @@ create_iface(struct device_node *np, struct device *dev)
 
 	tsize = sizeof(struct keywest_iface) +
 		(sizeof(struct keywest_chan) + 4) * nchan;
-	iface = (struct keywest_iface *) kzalloc(tsize, GFP_KERNEL);
+	iface = kzalloc(tsize, GFP_KERNEL);
 	if (iface == NULL) {
 		printk(KERN_ERR "i2c-keywest: can't allocate inteface !\n");
 		pmac_low_i2c_unlock(np);

drivers/i2c/busses/i2c-nforce2.c

@@ -313,8 +313,7 @@ static int __devinit nforce2_probe(struct pci_dev *dev, const struct pci_device_
 	int res1, res2;
 
 	/* we support 2 SMBus adapters */
-	if (!(smbuses = (void *)kzalloc(2*sizeof(struct nforce2_smbus),
-				       	GFP_KERNEL)))
+	if (!(smbuses = kzalloc(2*sizeof(struct nforce2_smbus), GFP_KERNEL)))
 		return -ENOMEM;
 	pci_set_drvdata(dev, smbuses);