SELinux: cleanup on isle selinuxfs.c

Why would anyone just clean up white space all day?  Because they were
out too late last night and don't want to think for a day.  So here is a
nice clean selinuxfs.c patch.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

security/selinux/selinuxfs.c

@@ -74,17 +74,17 @@ __setup("selinux_compat_net=", selinux_compat_net_setup);
 static DEFINE_MUTEX(sel_mutex);
 
 /* global data for booleans */
-static struct dentry *bool_dir = NULL;
-static int bool_num = 0;
+static struct dentry *bool_dir;
+static int bool_num;
 static char **bool_pending_names;
-static int *bool_pending_values = NULL;
+static int *bool_pending_values;
 
 /* global data for classes */
-static struct dentry *class_dir = NULL;
+static struct dentry *class_dir;
 static unsigned long last_class_ino;
 
 /* global data for policy capabilities */
-static struct dentry *policycap_dir = NULL;
+static struct dentry *policycap_dir;
 
 extern void selnl_notify_setenforce(int val);
 
@@ -873,7 +873,8 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
 		ret = -EINVAL;
 		goto out;
 	}
-	if (!(page = (char*)get_zeroed_page(GFP_KERNEL))) {
+	page = (char *)get_zeroed_page(GFP_KERNEL);
+	if (!page) {
 		ret = -ENOMEM;
 		goto out;
 	}
@@ -992,9 +993,8 @@ static ssize_t sel_commit_bools_write(struct file *filep,
 	if (sscanf(page, "%d", &new_value) != 1)
 		goto out;
 
-	if (new_value && bool_pending_values) {
+	if (new_value && bool_pending_values)
 		security_set_bools(bool_num, bool_pending_values);
-	}
 
 	length = count;
 
@@ -1056,7 +1056,8 @@ static int sel_make_bools(void)
 
 	sel_remove_entries(dir);
 
-	if (!(page = (char*)get_zeroed_page(GFP_KERNEL)))
+	page = (char *)get_zeroed_page(GFP_KERNEL);
+	if (!page)
 		return -ENOMEM;
 
 	ret = security_get_bools(&num, &names, &values);
@@ -1084,7 +1085,8 @@ static int sel_make_bools(void)
 			goto err;
 		}
 		isec = (struct inode_security_struct *)inode->i_security;
-		if ((ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid)))
+		ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid);
+		if (ret)
 			goto err;
 		isec->sid = sid;
 		isec->initialized = 1;
@@ -1112,7 +1114,7 @@ err:
 
 #define NULL_FILE_NAME "null"
 
-struct dentry *selinux_null = NULL;
+struct dentry *selinux_null;
 
 static ssize_t sel_read_avc_cache_threshold(struct file *filp, char __user *buf,
 					    size_t count, loff_t *ppos)