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Date: Thu, 26 Jul 2007 08:44:21 -0700
From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To: Stephen Hemminger <shemminger@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Adrian Bunk <bunk@...sta.de>,
Robert Olsson <Robert.Olsson@...a.slu.se>,
Ingo Molnar <mingo@...e.hu>, Josh Triplett <josh@...nel.org>,
netdev@...r.kernel.org
Subject: Re: [RFC] fib_trie: whitespace cleanup
On Thu, Jul 26, 2007 at 11:49:42AM +0100, Stephen Hemminger wrote:
> Whitespace cleanup run code through lindent then cleanup results.
> Applys after other two patches.
>
> --- a/net/ipv4/fib_trie.c 2007-07-26 10:17:21.000000000 +0100
> +++ b/net/ipv4/fib_trie.c 2007-07-26 11:47:52.000000000 +0100
> @@ -156,7 +156,8 @@ struct trie {
> };
>
> static void put_child(struct trie *t, struct tnode *tn, int i, struct node *n);
> -static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n, int wasfull);
> +static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n,
> + int wasfull);
> static struct node *resize(struct trie *t, struct tnode *tn);
> static struct tnode *inflate(struct trie *t, struct tnode *tn);
> static struct tnode *halve(struct trie *t, struct tnode *tn);
> @@ -167,13 +168,12 @@ static struct trie *trie_local = NULL, *
>
> static inline struct tnode *node_parent(struct node *node)
> {
> - return rcu_dereference((struct tnode *) (node->parent & ~NODE_TYPE_MASK));
> + return rcu_dereference((struct tnode *)(node->parent & ~NODE_TYPE_MASK));
The potential issue is applying rcu_dereference() to an rvalue
as opposed to an lvalue. So how about the following?
return rcu_dereference(node->parent) & ~NODE_TYPE_MASK;
> }
>
> static inline void node_set_parent(struct node *node, struct tnode *ptr)
> {
> - rcu_assign_pointer(node->parent,
> - (unsigned long)ptr | NODE_TYPE(node));
> + rcu_assign_pointer(node->parent, (unsigned long)ptr | NODE_TYPE(node));
> }
>
> /* rcu_read_lock needs to be hold by caller from readside */
> @@ -192,13 +192,13 @@ static inline int tnode_child_length(con
>
> static inline t_key mask_pfx(t_key k, unsigned short l)
> {
> - return (l == 0) ? 0 : k >> (KEYLENGTH-l) << (KEYLENGTH-l);
> + return (l == 0) ? 0 : k >> (KEYLENGTH - l) << (KEYLENGTH - l);
> }
>
> static inline t_key tkey_extract_bits(t_key a, int offset, int bits)
> {
> if (offset < KEYLENGTH)
> - return ((t_key)(a << offset)) >> (KEYLENGTH - bits);
> + return ((t_key) (a << offset)) >> (KEYLENGTH - bits);
> else
> return 0;
> }
> @@ -223,7 +223,7 @@ static inline int tkey_mismatch(t_key a,
>
> if (!diff)
> return 0;
> - while ((diff << i) >> (KEYLENGTH-1) == 0)
> + while ((diff << i) >> (KEYLENGTH - 1) == 0)
> i++;
> return i;
> }
> @@ -285,7 +285,6 @@ static inline int tkey_mismatch(t_key a,
> The bits from (n->pos) to (n->pos + n->bits - 1) - "C" - are the index into
> n's child array, and will of course be different for each child.
>
> -
> The rest of the bits, from (n->pos + n->bits) onward, are completely unknown
> at this point.
>
> @@ -293,7 +292,7 @@ static inline int tkey_mismatch(t_key a,
>
> static inline void check_tnode(const struct tnode *tn)
> {
> - WARN_ON(tn && tn->pos+tn->bits > 32);
> + WARN_ON(tn && tn->pos + tn->bits > 32);
> }
>
> static int halve_threshold = 25;
> @@ -301,7 +300,6 @@ static int inflate_threshold = 50;
> static int halve_threshold_root = 8;
> static int inflate_threshold_root = 15;
>
> -
> static void __alias_free_mem(struct rcu_head *head)
> {
> struct fib_alias *fa = container_of(head, struct fib_alias, rcu);
> @@ -335,7 +333,7 @@ static struct tnode *tnode_alloc(unsigne
> if (size <= PAGE_SIZE)
> return kcalloc(size, 1, GFP_KERNEL);
>
> - pages = alloc_pages(GFP_KERNEL|__GFP_ZERO, get_order(size));
> + pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, get_order(size));
> if (!pages)
> return NULL;
>
> @@ -346,7 +344,7 @@ static void __tnode_free_rcu(struct rcu_
> {
> struct tnode *tn = container_of(head, struct tnode, rcu);
> unsigned int size = sizeof(struct tnode) +
> - (1 << tn->bits) * sizeof(struct node *);
> + (1 << tn->bits) * sizeof(struct node *);
>
> if (size <= PAGE_SIZE)
> kfree(tn);
> @@ -357,7 +355,7 @@ static void __tnode_free_rcu(struct rcu_
> static inline void tnode_free(struct tnode *tn)
> {
> if (IS_LEAF(tn)) {
> - struct leaf *l = (struct leaf *) tn;
> + struct leaf *l = (struct leaf *)tn;
> call_rcu_bh(&l->rcu, __leaf_free_rcu);
> } else
> call_rcu(&tn->rcu, __tnode_free_rcu);
> @@ -365,7 +363,7 @@ static inline void tnode_free(struct tno
>
> static struct leaf *leaf_new(void)
> {
> - struct leaf *l = kmalloc(sizeof(struct leaf), GFP_KERNEL);
> + struct leaf *l = kmalloc(sizeof(struct leaf), GFP_KERNEL);
> if (l) {
> l->parent = T_LEAF;
> INIT_HLIST_HEAD(&l->list);
> @@ -375,7 +373,7 @@ static struct leaf *leaf_new(void)
>
> static struct leaf_info *leaf_info_new(int plen)
> {
> - struct leaf_info *li = kmalloc(sizeof(struct leaf_info), GFP_KERNEL);
> + struct leaf_info *li = kmalloc(sizeof(struct leaf_info), GFP_KERNEL);
> if (li) {
> li->plen = plen;
> INIT_LIST_HEAD(&li->falh);
> @@ -383,9 +381,9 @@ static struct leaf_info *leaf_info_new(i
> return li;
> }
>
> -static struct tnode* tnode_new(t_key key, int pos, int bits)
> +static struct tnode *tnode_new(t_key key, int pos, int bits)
> {
> - int nchildren = 1<<bits;
> + int nchildren = 1 << bits;
> int sz = sizeof(struct tnode) + nchildren * sizeof(struct node *);
> struct tnode *tn = tnode_alloc(sz);
>
> @@ -396,11 +394,11 @@ static struct tnode* tnode_new(t_key key
> tn->bits = bits;
> tn->key = key;
> tn->full_children = 0;
> - tn->empty_children = 1<<bits;
> + tn->empty_children = 1 << bits;
> }
>
> - pr_debug("AT %p s=%u %u\n", tn, (unsigned int) sizeof(struct tnode),
> - (unsigned int) (sizeof(struct node) * 1<<bits));
> + pr_debug("AT %p s=%u %u\n", tn, (unsigned int)sizeof(struct tnode),
> + (unsigned int)(sizeof(struct node) * 1 << bits));
> return tn;
> }
>
> @@ -414,10 +412,11 @@ static inline int tnode_full(const struc
> if (n == NULL || IS_LEAF(n))
> return 0;
>
> - return ((struct tnode *) n)->pos == tn->pos + tn->bits;
> + return ((struct tnode *)n)->pos == tn->pos + tn->bits;
> }
>
> -static inline void put_child(struct trie *t, struct tnode *tn, int i, struct node *n)
> +static inline void put_child(struct trie *t, struct tnode *tn, int i,
> + struct node *n)
> {
> tnode_put_child_reorg(tn, i, n, -1);
> }
> @@ -427,13 +426,13 @@ static inline void put_child(struct trie
> * Update the value of full_children and empty_children.
> */
>
> -static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n, int wasfull)
> +static void tnode_put_child_reorg(struct tnode *tn, int i, struct node *n,
> + int wasfull)
> {
> struct node *chi = tn->child[i];
> int isfull;
>
> - BUG_ON(i >= 1<<tn->bits);
> -
> + BUG_ON(i >= 1 << tn->bits);
>
> /* update emptyChildren */
> if (n == NULL && chi != NULL)
> @@ -566,9 +565,10 @@ static struct node *resize(struct trie *
>
> err = 0;
> max_resize = 10;
> - while ((tn->full_children > 0 && max_resize-- &&
> - 50 * (tn->full_children + tnode_child_length(tn) - tn->empty_children) >=
> - inflate_threshold_use * tnode_child_length(tn))) {
> + while ((tn->full_children > 0 && max_resize-- &&
> + 50 * (tn->full_children + tnode_child_length(tn) -
> + tn->empty_children) >=
> + inflate_threshold_use * tnode_child_length(tn))) {
>
> old_tn = tn;
> tn = inflate(t, tn);
> @@ -583,10 +583,12 @@ static struct node *resize(struct trie *
>
> if (max_resize < 0) {
> if (!tn->parent)
> - printk(KERN_WARNING "Fix inflate_threshold_root. Now=%d size=%d bits\n",
> + printk(KERN_WARNING
> + "Fix inflate_threshold_root. Now=%d size=%d bits\n",
> inflate_threshold_root, tn->bits);
> else
> - printk(KERN_WARNING "Fix inflate_threshold. Now=%d size=%d bits\n",
> + printk(KERN_WARNING
> + "Fix inflate_threshold. Now=%d size=%d bits\n",
> inflate_threshold, tn->bits);
> }
>
> @@ -597,7 +599,6 @@ static struct node *resize(struct trie *
> * node is above threshold.
> */
>
> -
> /* Keep root node larger */
>
> if (!tn->parent)
> @@ -607,7 +608,7 @@ static struct node *resize(struct trie *
>
> err = 0;
> max_resize = 10;
> - while (tn->bits > 1 && max_resize-- &&
> + while (tn->bits > 1 && max_resize-- &&
> 100 * (tnode_child_length(tn) - tn->empty_children) <
> halve_threshold_use * tnode_child_length(tn)) {
>
> @@ -624,10 +625,12 @@ static struct node *resize(struct trie *
>
> if (max_resize < 0) {
> if (!tn->parent)
> - printk(KERN_WARNING "Fix halve_threshold_root. Now=%d size=%d bits\n",
> + printk(KERN_WARNING
> + "Fix halve_threshold_root. Now=%d size=%d bits\n",
> halve_threshold_root, tn->bits);
> else
> - printk(KERN_WARNING "Fix halve_threshold. Now=%d size=%d bits\n",
> + printk(KERN_WARNING
> + "Fix halve_threshold. Now=%d size=%d bits\n",
> halve_threshold, tn->bits);
> }
>
> @@ -647,7 +650,7 @@ static struct node *resize(struct trie *
> return n;
> }
>
> - return (struct node *) tn;
> + return (struct node *)tn;
> }
>
> static struct tnode *inflate(struct trie *t, struct tnode *tn)
> @@ -672,7 +675,8 @@ static struct tnode *inflate(struct trie
> */
>
> for (i = 0; i < olen; i++) {
> - struct tnode *inode = (struct tnode *) tnode_get_child(oldtnode, i);
> + struct tnode *inode =
> + (struct tnode *)tnode_get_child(oldtnode, i);
>
> if (inode &&
> IS_TNODE(inode) &&
> @@ -681,12 +685,12 @@ static struct tnode *inflate(struct trie
> struct tnode *left, *right;
> t_key m = ~0U << (KEYLENGTH - 1) >> inode->pos;
>
> - left = tnode_new(inode->key&(~m), inode->pos + 1,
> + left = tnode_new(inode->key & (~m), inode->pos + 1,
> inode->bits - 1);
> if (!left)
> goto nomem;
>
> - right = tnode_new(inode->key|m, inode->pos + 1,
> + right = tnode_new(inode->key | m, inode->pos + 1,
> inode->bits - 1);
>
> if (!right) {
> @@ -694,8 +698,8 @@ static struct tnode *inflate(struct trie
> goto nomem;
> }
>
> - put_child(t, tn, 2*i, (struct node *) left);
> - put_child(t, tn, 2*i+1, (struct node *) right);
> + put_child(t, tn, 2 * i, (struct node *)left);
> + put_child(t, tn, 2 * i + 1, (struct node *)right);
> }
> }
>
> @@ -710,22 +714,22 @@ static struct tnode *inflate(struct trie
>
> /* A leaf or an internal node with skipped bits */
>
> - if (IS_LEAF(node) || ((struct tnode *) node)->pos >
> - tn->pos + tn->bits - 1) {
> - if (tkey_extract_bits(node->key, oldtnode->pos + oldtnode->bits,
> - 1) == 0)
> - put_child(t, tn, 2*i, node);
> + if (IS_LEAF(node) || ((struct tnode *)node)->pos >
> + tn->pos + tn->bits - 1) {
> + if (!tkey_extract_bits(node->key,
> + oldtnode->pos + oldtnode->bits, 1))
> + put_child(t, tn, 2 * i, node);
> else
> - put_child(t, tn, 2*i+1, node);
> + put_child(t, tn, 2 * i + 1, node);
> continue;
> }
>
> /* An internal node with two children */
> - inode = (struct tnode *) node;
> + inode = (struct tnode *)node;
>
> if (inode->bits == 1) {
> - put_child(t, tn, 2*i, inode->child[0]);
> - put_child(t, tn, 2*i+1, inode->child[1]);
> + put_child(t, tn, 2 * i, inode->child[0]);
> + put_child(t, tn, 2 * i + 1, inode->child[1]);
>
> tnode_free(inode);
> continue;
> @@ -754,13 +758,13 @@ static struct tnode *inflate(struct trie
> * bit to zero.
> */
>
> - left = (struct tnode *) tnode_get_child(tn, 2*i);
> - put_child(t, tn, 2*i, NULL);
> + left = (struct tnode *)tnode_get_child(tn, 2 * i);
> + put_child(t, tn, 2 * i, NULL);
>
> BUG_ON(!left);
>
> - right = (struct tnode *) tnode_get_child(tn, 2*i+1);
> - put_child(t, tn, 2*i+1, NULL);
> + right = (struct tnode *)tnode_get_child(tn, 2 * i + 1);
> + put_child(t, tn, 2 * i + 1, NULL);
>
> BUG_ON(!right);
>
> @@ -769,8 +773,8 @@ static struct tnode *inflate(struct trie
> put_child(t, left, j, inode->child[j]);
> put_child(t, right, j, inode->child[j + size]);
> }
> - put_child(t, tn, 2*i, resize(t, left));
> - put_child(t, tn, 2*i+1, resize(t, right));
> + put_child(t, tn, 2 * i, resize(t, left));
> + put_child(t, tn, 2 * i + 1, resize(t, right));
>
> tnode_free(inode);
> }
> @@ -814,7 +818,7 @@ static struct tnode *halve(struct trie *
>
> for (i = 0; i < olen; i += 2) {
> left = tnode_get_child(oldtnode, i);
> - right = tnode_get_child(oldtnode, i+1);
> + right = tnode_get_child(oldtnode, i + 1);
>
> /* Two nonempty children */
> if (left && right) {
> @@ -825,7 +829,7 @@ static struct tnode *halve(struct trie *
> if (!newn)
> goto nomem;
>
> - put_child(t, tn, i/2, (struct node *)newn);
> + put_child(t, tn, i / 2, (struct node *)newn);
> }
>
> }
> @@ -834,27 +838,27 @@ static struct tnode *halve(struct trie *
> struct tnode *newBinNode;
>
> left = tnode_get_child(oldtnode, i);
> - right = tnode_get_child(oldtnode, i+1);
> + right = tnode_get_child(oldtnode, i + 1);
>
> /* At least one of the children is empty */
> if (left == NULL) {
> - if (right == NULL) /* Both are empty */
> + if (right == NULL) /* Both are empty */
> continue;
> - put_child(t, tn, i/2, right);
> + put_child(t, tn, i / 2, right);
> continue;
> }
>
> if (right == NULL) {
> - put_child(t, tn, i/2, left);
> + put_child(t, tn, i / 2, left);
> continue;
> }
>
> /* Two nonempty children */
> - newBinNode = (struct tnode *) tnode_get_child(tn, i/2);
> - put_child(t, tn, i/2, NULL);
> + newBinNode = (struct tnode *)tnode_get_child(tn, i / 2);
> + put_child(t, tn, i / 2, NULL);
> put_child(t, newBinNode, 0, left);
> put_child(t, newBinNode, 1, right);
> - put_child(t, tn, i/2, resize(t, newBinNode));
> + put_child(t, tn, i / 2, resize(t, newBinNode));
> }
> tnode_free(oldtnode);
> return tn;
> @@ -896,13 +900,13 @@ static struct leaf_info *find_leaf_info(
> struct leaf_info *li;
>
> hlist_for_each_entry_rcu(li, node, head, hlist)
> - if (li->plen == plen)
> - return li;
> + if (li->plen == plen)
> + return li;
>
> return NULL;
> }
>
> -static inline struct list_head * get_fa_head(struct leaf *l, int plen)
> +static inline struct list_head *get_fa_head(struct leaf *l, int plen)
> {
> struct leaf_info *li = find_leaf_info(l, plen);
>
> @@ -935,8 +939,7 @@ static void insert_leaf_info(struct hlis
>
> /* rcu_read_lock needs to be hold by caller from readside */
>
> -static struct leaf *
> -fib_find_node(struct trie *t, u32 key)
> +static struct leaf *fib_find_node(struct trie *t, u32 key)
> {
> int pos;
> struct tnode *tn;
> @@ -945,14 +948,16 @@ fib_find_node(struct trie *t, u32 key)
> pos = 0;
> n = rcu_dereference(t->trie);
>
> - while (n != NULL && NODE_TYPE(n) == T_TNODE) {
> - tn = (struct tnode *) n;
> + while (n != NULL && NODE_TYPE(n) == T_TNODE) {
> + tn = (struct tnode *)n;
>
> check_tnode(tn);
>
> - if (tkey_sub_equals(tn->key, pos, tn->pos-pos, key)) {
> + if (tkey_sub_equals(tn->key, pos, tn->pos - pos, key)) {
> pos = tn->pos + tn->bits;
> - n = tnode_get_child(tn, tkey_extract_bits(key, tn->pos, tn->bits));
> + n = tnode_get_child(tn,
> + tkey_extract_bits(key, tn->pos,
> + tn->bits));
> } else
> break;
> }
> @@ -973,10 +978,11 @@ static struct node *trie_rebalance(struc
> while (tn != NULL && (tp = node_parent((struct node *)tn)) != NULL) {
> cindex = tkey_extract_bits(key, tp->pos, tp->bits);
> wasfull = tnode_full(tp, tnode_get_child(tp, cindex));
> - tn = (struct tnode *) resize (t, (struct tnode *)tn);
> - tnode_put_child_reorg((struct tnode *)tp, cindex,(struct node*)tn, wasfull);
> + tn = (struct tnode *)resize(t, (struct tnode *)tn);
> + tnode_put_child_reorg((struct tnode *)tp, cindex,
> + (struct node *)tn, wasfull);
>
> - tp = node_parent((struct node *) tn);
> + tp = node_parent((struct node *)tn);
> if (!tp)
> break;
> tn = tp;
> @@ -984,15 +990,15 @@ static struct node *trie_rebalance(struc
>
> /* Handle last (top) tnode */
> if (IS_TNODE(tn))
> - tn = (struct tnode*) resize(t, (struct tnode *)tn);
> + tn = (struct tnode *)resize(t, (struct tnode *)tn);
>
> - return (struct node*) tn;
> + return (struct node *)tn;
> }
>
> /* only used from updater-side */
>
> -static struct list_head *
> -fib_insert_node(struct trie *t, int *err, u32 key, int plen)
> +static struct list_head *fib_insert_node(struct trie *t, int *err, u32 key,
> + int plen)
> {
> int pos, newpos;
> struct tnode *tp = NULL, *tn = NULL;
> @@ -1024,15 +1030,17 @@ fib_insert_node(struct trie *t, int *err
> * If it doesn't, we need to replace it with a T_TNODE.
> */
>
> - while (n != NULL && NODE_TYPE(n) == T_TNODE) {
> - tn = (struct tnode *) n;
> + while (n != NULL && NODE_TYPE(n) == T_TNODE) {
> + tn = (struct tnode *)n;
>
> check_tnode(tn);
>
> - if (tkey_sub_equals(tn->key, pos, tn->pos-pos, key)) {
> + if (tkey_sub_equals(tn->key, pos, tn->pos - pos, key)) {
> tp = tn;
> pos = tn->pos + tn->bits;
> - n = tnode_get_child(tn, tkey_extract_bits(key, tn->pos, tn->bits));
> + n = tnode_get_child(tn,
> + tkey_extract_bits(key, tn->pos,
> + tn->bits));
>
> BUG_ON(n && node_parent(n) != tn);
> } else
> @@ -1050,7 +1058,7 @@ fib_insert_node(struct trie *t, int *err
> /* Case 1: n is a leaf. Compare prefixes */
>
> if (n != NULL && IS_LEAF(n) && tkey_equals(key, n->key)) {
> - struct leaf *l = (struct leaf *) n;
> + struct leaf *l = (struct leaf *)n;
>
> li = leaf_info_new(plen);
>
> @@ -1075,7 +1083,7 @@ fib_insert_node(struct trie *t, int *err
> li = leaf_info_new(plen);
>
> if (!li) {
> - tnode_free((struct tnode *) l);
> + tnode_free((struct tnode *)l);
> *err = -ENOMEM;
> goto err;
> }
> @@ -1098,7 +1106,7 @@ fib_insert_node(struct trie *t, int *err
> */
>
> if (tp)
> - pos = tp->pos+tp->bits;
> + pos = tp->pos + tp->bits;
> else
> pos = 0;
>
> @@ -1107,12 +1115,12 @@ fib_insert_node(struct trie *t, int *err
> tn = tnode_new(n->key, newpos, 1);
> } else {
> newpos = 0;
> - tn = tnode_new(key, newpos, 1); /* First tnode */
> + tn = tnode_new(key, newpos, 1); /* First tnode */
> }
>
> if (!tn) {
> free_leaf_info(li);
> - tnode_free((struct tnode *) l);
> + tnode_free((struct tnode *)l);
> *err = -ENOMEM;
> goto err;
> }
> @@ -1121,20 +1129,22 @@ fib_insert_node(struct trie *t, int *err
>
> missbit = tkey_extract_bits(key, newpos, 1);
> put_child(t, tn, missbit, (struct node *)l);
> - put_child(t, tn, 1-missbit, n);
> + put_child(t, tn, 1 - missbit, n);
>
> if (tp) {
> cindex = tkey_extract_bits(key, tp->pos, tp->bits);
> - put_child(t, (struct tnode *)tp, cindex, (struct node *)tn);
> + put_child(t, (struct tnode *)tp, cindex,
> + (struct node *)tn);
> } else {
> - rcu_assign_pointer(t->trie, (struct node *)tn); /* First tnode */
> + rcu_assign_pointer(t->trie, (struct node *)tn); /* First tnode */
> tp = tn;
> }
> }
>
> if (tp && tp->pos + tp->bits > 32)
> - printk(KERN_WARNING "fib_trie tp=%p pos=%d, bits=%d, key=%0x plen=%d\n",
> - tp, tp->pos, tp->bits, key, plen);
> + printk(KERN_WARNING
> + "fib_trie tp=%p pos=%d, bits=%d, key=%0x plen=%d\n", tp,
> + tp->pos, tp->bits, key, plen);
>
> /* Rebalance the trie */
>
> @@ -1150,7 +1160,7 @@ err:
> */
> static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
> {
> - struct trie *t = (struct trie *) tb->tb_data;
> + struct trie *t = (struct trie *)tb->tb_data;
> struct fib_alias *fa, *new_fa;
> struct list_head *fa_head = NULL;
> struct fib_info *fi;
> @@ -1230,7 +1240,7 @@ static int fn_trie_insert(struct fib_tab
> if (state & FA_S_ACCESSED)
> rt_cache_flush(-1);
> rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
> - tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
> + tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
>
> goto succeeded;
> }
> @@ -1278,8 +1288,7 @@ static int fn_trie_insert(struct fib_tab
> goto out_free_new_fa;
> }
>
> - list_add_tail_rcu(&new_fa->fa_list,
> - (fa ? &fa->fa_list : fa_head));
> + list_add_tail_rcu(&new_fa->fa_list, (fa ? &fa->fa_list : fa_head));
>
> rt_cache_flush(-1);
> rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id,
> @@ -1295,7 +1304,6 @@ err:
> return err;
> }
>
> -
> /* should be called with rcu_read_lock */
> static inline int check_leaf(struct trie *t, struct leaf *l,
> t_key key, int *plen, const struct flowi *flp,
> @@ -1313,7 +1321,9 @@ static inline int check_leaf(struct trie
> if (l->key != (key & ntohl(mask)))
> continue;
>
> - if ((err = fib_semantic_match(&li->falh, flp, res, htonl(l->key), mask, i)) <= 0) {
> + err = fib_semantic_match(&li->falh, flp, res, htonl(l->key),
> + mask, i);
> + if (err <= 0) {
> *plen = i;
> #ifdef CONFIG_IP_FIB_TRIE_STATS
> t->stats.semantic_match_passed++;
> @@ -1328,9 +1338,10 @@ static inline int check_leaf(struct trie
> }
>
> static int
> -fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result *res)
> +fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
> + struct fib_result *res)
> {
> - struct trie *t = (struct trie *) tb->tb_data;
> + struct trie *t = (struct trie *)tb->tb_data;
> int plen, ret = 0;
> struct node *n;
> struct tnode *pn;
> @@ -1355,11 +1366,12 @@ fn_trie_lookup(struct fib_table *tb, con
>
> /* Just a leaf? */
> if (IS_LEAF(n)) {
> - if ((ret = check_leaf(t, (struct leaf *)n, key, &plen, flp, res)) <= 0)
> + ret = check_leaf(t, (struct leaf *)n, key, &plen, flp, res);
> + if (ret <= 0)
> goto found;
> goto failed;
> }
> - pn = (struct tnode *) n;
> + pn = (struct tnode *)n;
> chopped_off = 0;
>
> while (pn) {
> @@ -1367,7 +1379,7 @@ fn_trie_lookup(struct fib_table *tb, con
> bits = pn->bits;
>
> if (!chopped_off)
> - cindex = tkey_extract_bits(mask_pfx(key, current_prefix_length),
> + cindex = tkey_extract_bits(mask_pfx (key, current_prefix_length),
> pos, bits);
>
> n = tnode_get_child(pn, cindex);
> @@ -1380,12 +1392,12 @@ fn_trie_lookup(struct fib_table *tb, con
> }
>
> if (IS_LEAF(n)) {
> - if ((ret = check_leaf(t, (struct leaf *)n, key, &plen, flp, res)) <= 0)
> + ret = check_leaf(t, (struct leaf *)n, key, &plen, flp, res);
> + if (ret <= 0)
> goto found;
> else
> goto backtrace;
> }
> -
> #define HL_OPTIMIZE
> #ifdef HL_OPTIMIZE
> cn = (struct tnode *)n;
> @@ -1418,10 +1430,10 @@ fn_trie_lookup(struct fib_table *tb, con
>
> /* NOTA BENE: CHECKING ONLY SKIPPED BITS FOR THE NEW NODE HERE */
>
> - if (current_prefix_length < pos+bits) {
> + if (current_prefix_length < pos + bits) {
> if (tkey_extract_bits(cn->key, current_prefix_length,
> - cn->pos - current_prefix_length) != 0 ||
> - !(cn->child[0]))
> + cn->pos - current_prefix_length) != 0
> + || !(cn->child[0]))
> goto backtrace;
> }
>
> @@ -1456,19 +1468,19 @@ fn_trie_lookup(struct fib_table *tb, con
>
> node_prefix = mask_pfx(cn->key, cn->pos);
> key_prefix = mask_pfx(key, cn->pos);
> - pref_mismatch = key_prefix^node_prefix;
> + pref_mismatch = key_prefix ^ node_prefix;
> mp = 0;
>
> /* In short: If skipped bits in this node do not match the search
> * key, enter the "prefix matching" state.directly.
> */
> if (pref_mismatch) {
> - while (!(pref_mismatch & (1<<(KEYLENGTH-1)))) {
> + while (!(pref_mismatch & (1 << (KEYLENGTH - 1)))) {
> mp++;
> - pref_mismatch = pref_mismatch <<1;
> + pref_mismatch = pref_mismatch << 1;
> }
> - key_prefix = tkey_extract_bits(cn->key, mp, cn->pos-mp);
>
> + key_prefix = tkey_extract_bits(cn->key, mp, cn->pos - mp);
> if (key_prefix != 0)
> goto backtrace;
>
> @@ -1476,7 +1488,7 @@ fn_trie_lookup(struct fib_table *tb, con
> current_prefix_length = mp;
> }
> #endif
> - pn = (struct tnode *)n; /* Descend */
> + pn = (struct tnode *)n; /* Descend */
> chopped_off = 0;
> continue;
>
> @@ -1484,12 +1496,14 @@ backtrace:
> chopped_off++;
>
> /* As zero don't change the child key (cindex) */
> - while ((chopped_off <= pn->bits) && !(cindex & (1<<(chopped_off-1))))
> + while (chopped_off <= pn->bits
> + && !(cindex & (1 << (chopped_off - 1))))
> chopped_off++;
>
> /* Decrease current_... with bits chopped off */
> if (current_prefix_length > pn->pos + pn->bits - chopped_off)
> - current_prefix_length = pn->pos + pn->bits - chopped_off;
> + current_prefix_length =
> + pn->pos + pn->bits - chopped_off;
>
> /*
> * Either we do the actual chop off according or if we have
> @@ -1497,14 +1511,15 @@ backtrace:
> */
>
> if (chopped_off <= pn->bits) {
> - cindex &= ~(1 << (chopped_off-1));
> + cindex &= ~(1 << (chopped_off - 1));
> } else {
> - struct tnode *parent = node_parent((struct node *) pn);
> + struct tnode *parent = node_parent((struct node *)pn);
> if (!parent)
> goto failed;
>
> /* Get Child's index */
> - cindex = tkey_extract_bits(pn->key, parent->pos, parent->bits);
> + cindex = tkey_extract_bits(pn->key,
> + parent->pos, parent->bits);
> pn = parent;
> chopped_off = 0;
>
> @@ -1537,13 +1552,13 @@ static int trie_leaf_remove(struct trie
> */
>
> while (n != NULL && IS_TNODE(n)) {
> - struct tnode *tn = (struct tnode *) n;
> + struct tnode *tn = (struct tnode *)n;
> check_tnode(tn);
> - n = tnode_get_child(tn ,tkey_extract_bits(key, tn->pos, tn->bits));
> + n = tnode_get_child(tn, tkey_extract_bits(key, tn->pos, tn->bits));
>
> BUG_ON(n && node_parent(n) != tn);
> }
> - l = (struct leaf *) n;
> + l = (struct leaf *)n;
>
> if (!n || !tkey_equals(l->key, key))
> return 0;
> @@ -1557,7 +1572,7 @@ static int trie_leaf_remove(struct trie
> t->size--;
>
> tp = node_parent(n);
> - tnode_free((struct tnode *) n);
> + tnode_free((struct tnode *)n);
>
> if (tp) {
> cindex = tkey_extract_bits(key, tp->pos, tp->bits);
> @@ -1574,7 +1589,7 @@ static int trie_leaf_remove(struct trie
> */
> static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg)
> {
> - struct trie *t = (struct trie *) tb->tb_data;
> + struct trie *t = (struct trie *)tb->tb_data;
> u32 key, mask;
> int plen = cfg->fc_dst_len;
> u8 tos = cfg->fc_tos;
> @@ -1694,7 +1709,7 @@ static int trie_flush_leaf(struct trie *
>
> static struct leaf *nextleaf(struct trie *t, struct leaf *thisleaf)
> {
> - struct node *c = (struct node *) thisleaf;
> + struct node *c = (struct node *)thisleaf;
> struct tnode *p;
> int idx;
> struct node *trie = rcu_dereference(t->trie);
> @@ -1703,10 +1718,10 @@ static struct leaf *nextleaf(struct trie
> if (trie == NULL)
> return NULL;
>
> - if (IS_LEAF(trie)) /* trie w. just a leaf */
> - return (struct leaf *) trie;
> + if (IS_LEAF(trie)) /* trie w. just a leaf */
> + return (struct leaf *)trie;
>
> - p = (struct tnode*) trie; /* Start */
> + p = (struct tnode *)trie; /* Start */
> } else
> p = node_parent(c);
>
> @@ -1720,7 +1735,7 @@ static struct leaf *nextleaf(struct trie
> pos = 0;
>
> last = 1 << p->bits;
> - for (idx = pos; idx < last ; idx++) {
> + for (idx = pos; idx < last; idx++) {
> c = rcu_dereference(p->child[idx]);
>
> if (!c)
> @@ -1728,26 +1743,28 @@ static struct leaf *nextleaf(struct trie
>
> /* Decend if tnode */
> while (IS_TNODE(c)) {
> - p = (struct tnode *) c;
> + p = (struct tnode *)c;
> idx = 0;
>
> /* Rightmost non-NULL branch */
> if (p && IS_TNODE(p))
> while (!(c = rcu_dereference(p->child[idx]))
> - && idx < (1<<p->bits)) idx++;
> + && idx < (1 << p->bits))
> + idx++;
>
> /* Done with this tnode? */
> if (idx >= (1 << p->bits) || !c)
> goto up;
> }
> - return (struct leaf *) c;
> + return (struct leaf *)c;
> }
> up:
> /* No more children go up one step */
> - c = (struct node *) p;
> + c = (struct node *)p;
> p = node_parent(c);
> }
> - return NULL; /* Ready. Root of trie */
> +
> + return NULL; /* Ready. Root of trie */
> }
>
> /*
> @@ -1755,7 +1772,7 @@ up:
> */
> static int fn_trie_flush(struct fib_table *tb)
> {
> - struct trie *t = (struct trie *) tb->tb_data;
> + struct trie *t = (struct trie *)tb->tb_data;
> struct leaf *ll = NULL, *l = NULL;
> int found = 0, h;
>
> @@ -1779,9 +1796,10 @@ static int fn_trie_flush(struct fib_tabl
> static int trie_last_dflt = -1;
>
> static void
> -fn_trie_select_default(struct fib_table *tb, const struct flowi *flp, struct fib_result *res)
> +fn_trie_select_default(struct fib_table *tb, const struct flowi *flp,
> + struct fib_result *res)
> {
> - struct trie *t = (struct trie *) tb->tb_data;
> + struct trie *t = (struct trie *)tb->tb_data;
> int order, last_idx;
> struct fib_info *fi = NULL;
> struct fib_info *last_resort;
> @@ -1809,8 +1827,7 @@ fn_trie_select_default(struct fib_table
> list_for_each_entry_rcu(fa, fa_head, fa_list) {
> struct fib_info *next_fi = fa->fa_info;
>
> - if (fa->fa_scope != res->scope ||
> - fa->fa_type != RTN_UNICAST)
> + if (fa->fa_scope != res->scope || fa->fa_type != RTN_UNICAST)
> continue;
>
> if (next_fi->fib_priority > res->fi->fib_priority)
> @@ -1856,12 +1873,13 @@ fn_trie_select_default(struct fib_table
> atomic_inc(&last_resort->fib_clntref);
> }
> trie_last_dflt = last_idx;
> - out:;
> +out:
> rcu_read_unlock();
> }
>
> -static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah, struct fib_table *tb,
> - struct sk_buff *skb, struct netlink_callback *cb)
> +static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah,
> + struct fib_table *tb, struct sk_buff *skb,
> + struct netlink_callback *cb)
> {
> int i, s_i;
> struct fib_alias *fa;
> @@ -1886,10 +1904,7 @@ static int fn_trie_dump_fa(t_key key, in
> tb->tb_id,
> fa->fa_type,
> fa->fa_scope,
> - xkey,
> - plen,
> - fa->fa_tos,
> - fa->fa_info, 0) < 0) {
> + xkey, plen, fa->fa_tos, fa->fa_info, 0) < 0) {
> cb->args[4] = i;
> return -1;
> }
> @@ -1899,8 +1914,8 @@ static int fn_trie_dump_fa(t_key key, in
> return skb->len;
> }
>
> -static int fn_trie_dump_plen(struct trie *t, int plen, struct fib_table *tb, struct sk_buff *skb,
> - struct netlink_callback *cb)
> +static int fn_trie_dump_plen(struct trie *t, int plen, struct fib_table *tb,
> + struct sk_buff *skb, struct netlink_callback *cb)
> {
> int h, s_h;
> struct list_head *fa_head;
> @@ -1913,7 +1928,7 @@ static int fn_trie_dump_plen(struct trie
> continue;
> if (h > s_h)
> memset(&cb->args[4], 0,
> - sizeof(cb->args) - 4*sizeof(cb->args[0]));
> + sizeof(cb->args) - 4 * sizeof(cb->args[0]));
>
> fa_head = get_fa_head(l, plen);
>
> @@ -1923,7 +1938,7 @@ static int fn_trie_dump_plen(struct trie
> if (list_empty(fa_head))
> continue;
>
> - if (fn_trie_dump_fa(l->key, plen, fa_head, tb, skb, cb)<0) {
> + if (fn_trie_dump_fa(l->key, plen, fa_head, tb, skb, cb) < 0) {
> cb->args[3] = h;
> return -1;
> }
> @@ -1932,10 +1947,11 @@ static int fn_trie_dump_plen(struct trie
> return skb->len;
> }
>
> -static int fn_trie_dump(struct fib_table *tb, struct sk_buff *skb, struct netlink_callback *cb)
> +static int fn_trie_dump(struct fib_table *tb, struct sk_buff *skb,
> + struct netlink_callback *cb)
> {
> int m, s_m;
> - struct trie *t = (struct trie *) tb->tb_data;
> + struct trie *t = (struct trie *)tb->tb_data;
>
> s_m = cb->args[2];
>
> @@ -1945,9 +1961,9 @@ static int fn_trie_dump(struct fib_table
> continue;
> if (m > s_m)
> memset(&cb->args[3], 0,
> - sizeof(cb->args) - 3*sizeof(cb->args[0]));
> + sizeof(cb->args) - 3 * sizeof(cb->args[0]));
>
> - if (fn_trie_dump_plen(t, 32-m, tb, skb, cb)<0) {
> + if (fn_trie_dump_plen(t, 32 - m, tb, skb, cb) < 0) {
> cb->args[2] = m;
> goto out;
> }
> @@ -1963,9 +1979,9 @@ out:
> /* Fix more generic FIB names for init later */
>
> #ifdef CONFIG_IP_MULTIPLE_TABLES
> -struct fib_table * fib_hash_init(u32 id)
> +struct fib_table *fib_hash_init(u32 id)
> #else
> -struct fib_table * __init fib_hash_init(u32 id)
> +struct fib_table *__init fib_hash_init(u32 id)
> #endif
> {
> struct fib_table *tb;
> @@ -1974,8 +1990,7 @@ struct fib_table * __init fib_hash_init(
> if (fn_alias_kmem == NULL)
> fn_alias_kmem = kmem_cache_create("ip_fib_alias",
> sizeof(struct fib_alias),
> - 0, SLAB_HWCACHE_ALIGN,
> - NULL);
> + 0, SLAB_HWCACHE_ALIGN, NULL);
>
> tb = kmalloc(sizeof(struct fib_table) + sizeof(struct trie),
> GFP_KERNEL);
> @@ -1991,7 +2006,7 @@ struct fib_table * __init fib_hash_init(
> tb->tb_dump = fn_trie_dump;
> memset(tb->tb_data, 0, sizeof(struct trie));
>
> - t = (struct trie *) tb->tb_data;
> + t = (struct trie *)tb->tb_data;
>
> trie_init(t);
>
> @@ -2001,7 +2016,8 @@ struct fib_table * __init fib_hash_init(
> trie_main = t;
>
> if (id == RT_TABLE_LOCAL)
> - printk(KERN_INFO "IPv4 FIB: Using LC-trie version %s\n", VERSION);
> + printk(KERN_INFO "IPv4 FIB: Using LC-trie version %s\n",
> + VERSION);
>
> return tb;
> }
> @@ -2028,7 +2044,7 @@ static struct node *fib_trie_get_next(st
> pr_debug("get_next iter={node=%p index=%d depth=%d}\n",
> iter->tnode, iter->index, iter->depth);
> rescan:
> - while (cindex < (1<<tn->bits)) {
> + while (cindex < (1 << tn->bits)) {
> struct node *n = tnode_get_child(tn, cindex);
>
> if (n) {
> @@ -2037,7 +2053,7 @@ rescan:
> iter->index = cindex + 1;
> } else {
> /* push down one level */
> - iter->tnode = (struct tnode *) n;
> + iter->tnode = (struct tnode *)n;
> iter->index = 0;
> ++iter->depth;
> }
> @@ -2050,7 +2066,7 @@ rescan:
> /* Current node exhausted, pop back up */
> p = node_parent((struct node *)tn);
> if (p) {
> - cindex = tkey_extract_bits(tn->key, p->pos, p->bits)+1;
> + cindex = tkey_extract_bits(tn->key, p->pos, p->bits) + 1;
> tn = p;
> --iter->depth;
> goto rescan;
> @@ -2063,7 +2079,7 @@ rescan:
> static struct node *fib_trie_get_first(struct fib_trie_iter *iter,
> struct trie *t)
> {
> - struct node *n ;
> + struct node *n;
>
> if (!t)
> return NULL;
> @@ -2075,13 +2091,13 @@ static struct node *fib_trie_get_first(s
>
> if (n) {
> if (IS_TNODE(n)) {
> - iter->tnode = (struct tnode *) n;
> + iter->tnode = (struct tnode *)n;
> iter->trie = t;
> iter->index = 0;
> iter->depth = 1;
> } else {
> iter->tnode = NULL;
> - iter->trie = t;
> + iter->trie = t;
> iter->index = 0;
> iter->depth = 0;
> }
> @@ -2098,22 +2114,21 @@ static void trie_collect_stats(struct tr
> memset(s, 0, sizeof(*s));
>
> rcu_read_lock();
> - for (n = fib_trie_get_first(&iter, t); n;
> - n = fib_trie_get_next(&iter)) {
> + for (n = fib_trie_get_first(&iter, t); n; n = fib_trie_get_next(&iter)) {
> if (IS_LEAF(n)) {
> s->leaves++;
> s->totdepth += iter.depth;
> if (iter.depth > s->maxdepth)
> s->maxdepth = iter.depth;
> } else {
> - const struct tnode *tn = (const struct tnode *) n;
> + const struct tnode *tn = (const struct tnode *)n;
> int i;
>
> s->tnodes++;
> if (tn->bits < MAX_STAT_DEPTH)
> s->nodesizes[tn->bits]++;
>
> - for (i = 0; i < (1<<tn->bits); i++)
> + for (i = 0; i < (1 << tn->bits); i++)
> if (!tn->child[i])
> s->nullpointers++;
> }
> @@ -2129,11 +2144,12 @@ static void trie_show_stats(struct seq_f
> unsigned i, max, pointers, bytes, avdepth;
>
> if (stat->leaves)
> - avdepth = stat->totdepth*100 / stat->leaves;
> + avdepth = stat->totdepth * 100 / stat->leaves;
> else
> avdepth = 0;
>
> - seq_printf(seq, "\tAver depth: %d.%02d\n", avdepth / 100, avdepth % 100 );
> + seq_printf(seq, "\tAver depth: %d.%02d\n", avdepth / 100,
> + avdepth % 100);
> seq_printf(seq, "\tMax depth: %u\n", stat->maxdepth);
>
> seq_printf(seq, "\tLeaves: %u\n", stat->leaves);
> @@ -2143,14 +2159,14 @@ static void trie_show_stats(struct seq_f
> bytes += sizeof(struct tnode) * stat->tnodes;
>
> max = MAX_STAT_DEPTH;
> - while (max > 0 && stat->nodesizes[max-1] == 0)
> + while (max > 0 && stat->nodesizes[max - 1] == 0)
> max--;
>
> pointers = 0;
> for (i = 1; i <= max; i++)
> if (stat->nodesizes[i] != 0) {
> - seq_printf(seq, " %d: %d", i, stat->nodesizes[i]);
> - pointers += (1<<i) * stat->nodesizes[i];
> + seq_printf(seq, " %d: %d", i, stat->nodesizes[i]);
> + pointers += (1 << i) * stat->nodesizes[i];
> }
> seq_putc(seq, '\n');
> seq_printf(seq, "\tPointers: %d\n", pointers);
> @@ -2161,12 +2177,15 @@ static void trie_show_stats(struct seq_f
>
> #ifdef CONFIG_IP_FIB_TRIE_STATS
> seq_printf(seq, "Counters:\n---------\n");
> - seq_printf(seq,"gets = %d\n", t->stats.gets);
> - seq_printf(seq,"backtracks = %d\n", t->stats.backtrack);
> - seq_printf(seq,"semantic match passed = %d\n", t->stats.semantic_match_passed);
> - seq_printf(seq,"semantic match miss = %d\n", t->stats.semantic_match_miss);
> - seq_printf(seq,"null node hit= %d\n", t->stats.null_node_hit);
> - seq_printf(seq,"skipped node resize = %d\n", t->stats.resize_node_skipped);
> + seq_printf(seq, "gets = %d\n", t->stats.gets);
> + seq_printf(seq, "backtracks = %d\n", t->stats.backtrack);
> + seq_printf(seq, "semantic match passed = %d\n",
> + t->stats.semantic_match_passed);
> + seq_printf(seq, "semantic match miss = %d\n",
> + t->stats.semantic_match_miss);
> + seq_printf(seq, "null node hit= %d\n", t->stats.null_node_hit);
> + seq_printf(seq, "skipped node resize = %d\n",
> + t->stats.resize_node_skipped);
> #ifdef CLEAR_STATS
> memset(&(t->stats), 0, sizeof(t->stats));
> #endif
> @@ -2181,7 +2200,8 @@ static int fib_triestat_seq_show(struct
> if (!stat)
> return -ENOMEM;
>
> - seq_printf(seq, "Basic info: size of leaf: %Zd bytes, size of tnode: %Zd bytes.\n",
> + seq_printf(seq,
> + "Basic info: size of leaf: %Zd bytes, size of tnode: %Zd bytes.\n",
> sizeof(struct leaf), sizeof(struct tnode));
>
> if (trie_local) {
> @@ -2213,8 +2233,7 @@ static const struct file_operations fib_
> .release = single_release,
> };
>
> -static struct node *fib_trie_get_idx(struct fib_trie_iter *iter,
> - loff_t pos)
> +static struct node *fib_trie_get_idx(struct fib_trie_iter *iter, loff_t pos)
> {
> loff_t idx = 0;
> struct node *n;
> @@ -2233,7 +2252,7 @@ static struct node *fib_trie_get_idx(str
> return NULL;
> }
>
> -static void *fib_trie_seq_start(struct seq_file *seq, loff_t *pos)
> +static void *fib_trie_seq_start(struct seq_file *seq, loff_t * pos)
> {
> rcu_read_lock();
> if (*pos == 0)
> @@ -2241,7 +2260,7 @@ static void *fib_trie_seq_start(struct s
> return fib_trie_get_idx(seq->private, *pos - 1);
> }
>
> -static void *fib_trie_seq_next(struct seq_file *seq, void *v, loff_t *pos)
> +static void *fib_trie_seq_next(struct seq_file *seq, void *v, loff_t * pos)
> {
> struct fib_trie_iter *iter = seq->private;
> void *l = v;
> @@ -2269,7 +2288,8 @@ static void fib_trie_seq_stop(struct seq
>
> static void seq_indent(struct seq_file *seq, int n)
> {
> - while (n-- > 0) seq_puts(seq, " ");
> + while (n-- > 0)
> + seq_puts(seq, " ");
> }
>
> static inline const char *rtn_scope(enum rt_scope_t s)
> @@ -2277,11 +2297,16 @@ static inline const char *rtn_scope(enum
> static char buf[32];
>
> switch (s) {
> - case RT_SCOPE_UNIVERSE: return "universe";
> - case RT_SCOPE_SITE: return "site";
> - case RT_SCOPE_LINK: return "link";
> - case RT_SCOPE_HOST: return "host";
> - case RT_SCOPE_NOWHERE: return "nowhere";
> + case RT_SCOPE_UNIVERSE:
> + return "universe";
> + case RT_SCOPE_SITE:
> + return "site";
> + case RT_SCOPE_LINK:
> + return "link";
> + case RT_SCOPE_HOST:
> + return "host";
> + case RT_SCOPE_NOWHERE:
> + return "nowhere";
> default:
> snprintf(buf, sizeof(buf), "scope=%d", s);
> return buf;
> @@ -2330,16 +2355,16 @@ static int fib_trie_seq_show(struct seq_
> }
>
> if (IS_TNODE(n)) {
> - struct tnode *tn = (struct tnode *) n;
> + struct tnode *tn = (struct tnode *)n;
> __be32 prf = htonl(mask_pfx(tn->key, tn->pos));
>
> - seq_indent(seq, iter->depth-1);
> + seq_indent(seq, iter->depth - 1);
> seq_printf(seq, " +-- %d.%d.%d.%d/%d %d %d %d\n",
> NIPQUAD(prf), tn->pos, tn->bits, tn->full_children,
> tn->empty_children);
>
> } else {
> - struct leaf *l = (struct leaf *) n;
> + struct leaf *l = (struct leaf *)n;
> int i;
> __be32 val = htonl(l->key);
>
> @@ -2350,7 +2375,7 @@ static int fib_trie_seq_show(struct seq_
> if (li) {
> struct fib_alias *fa;
> list_for_each_entry_rcu(fa, &li->falh, fa_list) {
> - seq_indent(seq, iter->depth+1);
> + seq_indent(seq, iter->depth + 1);
> seq_printf(seq, " /%d %s %s", i,
> rtn_scope(fa->fa_scope),
> rtn_type(fa->fa_type));
> @@ -2386,7 +2411,7 @@ static int fib_trie_seq_open(struct inod
> if (rc)
> goto out_kfree;
>
> - seq = file->private_data;
> + seq = file->private_data;
> seq->private = s;
> memset(s, 0, sizeof(*s));
> out:
> @@ -2407,7 +2432,8 @@ static const struct file_operations fib_
> static unsigned fib_flag_trans(int type, __be32 mask, const struct fib_info *fi)
> {
> static unsigned type2flags[RTN_MAX + 1] = {
> - [7] = RTF_REJECT, [8] = RTF_REJECT,
> + [7] = RTF_REJECT,
> + [8] = RTF_REJECT,
> };
> unsigned flags = type2flags[type];
>
> @@ -2444,7 +2470,7 @@ static int fib_route_seq_show(struct seq
> if (IS_TNODE(l))
> return 0;
>
> - for (i=32; i>=0; i--) {
> + for (i = 32; i >= 0; i--) {
> struct leaf_info *li = find_leaf_info(l, i);
> struct fib_alias *fa;
> __be32 mask, prefix;
> @@ -2471,7 +2497,7 @@ static int fib_route_seq_show(struct seq
> fi->fib_nh->nh_gw, flags, 0, 0,
> fi->fib_priority,
> mask,
> - (fi->fib_advmss ? fi->fib_advmss + 40 : 0),
> + fi->fib_advmss ? fi->fib_advmss + 40 : 0,
> fi->fib_window,
> fi->fib_rtt >> 3);
> else
> @@ -2507,7 +2533,7 @@ static int fib_route_seq_open(struct ino
> if (rc)
> goto out_kfree;
>
> - seq = file->private_data;
> + seq = file->private_data;
> seq->private = s;
> memset(s, 0, sizeof(*s));
> out:
-
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