drivers/message/, i2o: Remove unnecessary casts of void ptr returning alloc function return values

The [vk][cmz]alloc(_node) family of functions return void pointers which
it's completely unnecessary/pointless to cast to other pointer types since
that happens implicitly.

This patch removes such casts from drivers/message/

Signed-off-by: Jesper Juhl <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/message/i2o/i2o_config.c

···
 
 static int cfg_open(struct inode *inode, struct file *file)
 {
-	struct i2o_cfg_info *tmp =
-	    (struct i2o_cfg_info *)kmalloc(sizeof(struct i2o_cfg_info),
+	struct i2o_cfg_info *tmp = kmalloc(sizeof(struct i2o_cfg_info),
 					   GFP_KERNEL);
 	unsigned long flags;