fs/adfs: remove unneeded cast

kmem_cache_alloc() returns void*.

Signed-off-by: Firo Yang <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

fs/adfs/super.c

···
 static struct inode *adfs_alloc_inode(struct super_block *sb)
 {
 	struct adfs_inode_info *ei;
-	ei = (struct adfs_inode_info *)kmem_cache_alloc(adfs_inode_cachep, GFP_KERNEL);
+	ei = kmem_cache_alloc(adfs_inode_cachep, GFP_KERNEL);
 	if (!ei)
 		return NULL;
 	return &ei->vfs_inode;