[IPV4] fib_trie: style cleanup

Style cleanups:
      * make check_leaf return -1 or plen, rather than by reference
      * Get rid of #ifdef that is always set
      * split out embedded function calls in if statements.
      * checkpatch warnings

Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 142 insertions, 95 deletions

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 9291e7c41fc..899210b3c6b 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -155,7 +155,8 @@ 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);
@@ -395,7 +396,7 @@ static struct leaf_info *leaf_info_new(int plen)
         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)
 {
         size_t sz = sizeof(struct tnode) + (sizeof(struct node *) << bits);
         struct tnode *tn = tnode_alloc(sz);
@@ -427,7 +428,8 @@ static inline int tnode_full(const struct tnode *tn, const struct node *n)
         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);
 }
@@ -437,7 +439,8 @@ static inline void put_child(struct trie *t, struct tnode *tn, int i, struct nod
   * 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;
@@ -577,11 +580,13 @@ static struct node *resize(struct trie *t, struct tnode *tn)
         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))) {
+                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);
+
                 if (IS_ERR(tn)) {
                         tn = old_tn;
 #ifdef CONFIG_IP_FIB_TRIE_STATS
@@ -593,11 +598,13 @@ static struct node *resize(struct trie *t, struct tnode *tn)
 
         if (max_resize < 0) {
                 if (!tn->parent)
-                        printk(KERN_WARNING "Fix inflate_threshold_root. Now=%d size=%d bits\n",
-                               inflate_threshold_root, tn->bits);
+                        pr_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",
-                               inflate_threshold, tn->bits);
+                        pr_warning("Fix inflate_threshold."
+                                   " Now=%d size=%d bits\n",
+                                   inflate_threshold, tn->bits);
         }
 
         check_tnode(tn);
@@ -634,11 +641,13 @@ static struct node *resize(struct trie *t, struct tnode *tn)
 
         if (max_resize < 0) {
                 if (!tn->parent)
-                        printk(KERN_WARNING "Fix halve_threshold_root. Now=%d size=%d bits\n",
-                               halve_threshold_root, tn->bits);
+                        pr_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",
-                               halve_threshold, tn->bits);
+                        pr_warning("Fix halve_threshold."
+                                   " Now=%d size=%d bits\n",
+                                   halve_threshold, tn->bits);
         }
 
         /* Only one child remains */
@@ -681,8 +690,9 @@ static struct tnode *inflate(struct trie *t, struct tnode *tn)
          */
 
         for (i = 0; i < olen; i++) {
-                struct tnode *inode = (struct tnode *) tnode_get_child(oldtnode, i);
+                struct tnode *inode;
 
+                inode = (struct tnode *) tnode_get_child(oldtnode, i);
                 if (inode &&
                     IS_TNODE(inode) &&
                     inode->pos == oldtnode->pos + oldtnode->bits &&
@@ -722,8 +732,9 @@ static struct tnode *inflate(struct trie *t, struct tnode *tn)
 
                 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)
+                        if (tkey_extract_bits(node->key,
+                                              oldtnode->pos + oldtnode->bits,
+                                              1) == 0)
                                 put_child(t, tn, 2*i, node);
                         else
                                 put_child(t, tn, 2*i+1, node);
@@ -899,7 +910,7 @@ static struct leaf_info *find_leaf_info(struct leaf *l, int plen)
         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);
 
@@ -949,7 +960,10 @@ fib_find_node(struct trie *t, u32 key)
 
                 if (tkey_sub_equals(tn->key, pos, tn->pos-pos, key)) {
                         pos = tn->pos + tn->bits;
-                        n = tnode_get_child_rcu(tn, tkey_extract_bits(key, tn->pos, tn->bits));
+                        n = tnode_get_child_rcu(tn,
+                                                tkey_extract_bits(key,
+                                                                  tn->pos,
+                                                                  tn->bits));
                 } else
                         break;
         }
@@ -970,8 +984,10 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
         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);
                 if (!tp)
@@ -981,9 +997,9 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
 
         /* 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 */
@@ -1028,7 +1044,10 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen)
                 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
@@ -1113,16 +1132,18 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen)
 
                 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);
                         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);
+                pr_warning("fib_trie"
+                           " tp=%p pos=%d, bits=%d, key=%0x plen=%d\n",
+                           tp, tp->pos, tp->bits, key, plen);
 
         /* Rebalance the trie */
 
@@ -1235,10 +1256,10 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
                                 break;
                         if (fa->fa_type == cfg->fc_type &&
                             fa->fa_scope == cfg->fc_scope &&
-                            fa->fa_info == fi) {
+                            fa->fa_info == fi)
                                 goto out;
-                        }
                 }
+
                 if (!(cfg->fc_nlflags & NLM_F_APPEND))
                         fa = fa_orig;
         }
@@ -1289,38 +1310,40 @@ 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,
-                             struct fib_result *res)
+static int check_leaf(struct trie *t, struct leaf *l,
+                      t_key key,  const struct flowi *flp,
+                      struct fib_result *res)
 {
-        int err, i;
-        __be32 mask;
         struct leaf_info *li;
         struct hlist_head *hhead = &l->list;
         struct hlist_node *node;
 
         hlist_for_each_entry_rcu(li, node, hhead, hlist) {
-                i = li->plen;
-                mask = inet_make_mask(i);
+                int err;
+                int plen = li->plen;
+                __be32 mask = inet_make_mask(plen);
+
                 if (l->key != (key & ntohl(mask)))
                         continue;
 
-                if ((err = fib_semantic_match(&li->falh, flp, res, htonl(l->key), mask, i)) <= 0) {
-                        *plen = i;
+                err = fib_semantic_match(&li->falh, flp, res,
+                                         htonl(l->key), mask, plen);
+
 #ifdef CONFIG_IP_FIB_TRIE_STATS
+                if (err <= 0)
                         t->stats.semantic_match_passed++;
+                else
+                        t->stats.semantic_match_miss++;
 #endif
-                        return err;
-                }
-#ifdef CONFIG_IP_FIB_TRIE_STATS
-                t->stats.semantic_match_miss++;
-#endif
+                if (err <= 0)
+                        return plen;
         }
-        return 1;
+
+        return -1;
 }
 
-static int
-fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result *res)
+static int fn_trie_lookup(struct fib_table *tb, const struct flowi *flp,
+                          struct fib_result *res)
 {
         struct trie *t = (struct trie *) tb->tb_data;
         int plen, ret = 0;
@@ -1347,10 +1370,13 @@ fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
 
         /* Just a leaf? */
         if (IS_LEAF(n)) {
-                if ((ret = check_leaf(t, (struct leaf *)n, key, &plen, flp, res)) <= 0)
-                        goto found;
-                goto failed;
+                plen = check_leaf(t, (struct leaf *)n, key, flp, res);
+                if (plen < 0)
+                        goto failed;
+                ret = 0;
+                goto found;
         }
+
         pn = (struct tnode *) n;
         chopped_off = 0;
 
@@ -1372,14 +1398,14 @@ fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
                 }
 
                 if (IS_LEAF(n)) {
-                        if ((ret = check_leaf(t, (struct leaf *)n, key, &plen, flp, res)) <= 0)
-                                goto found;
-                        else
+                        plen = check_leaf(t, (struct leaf *)n, key, flp, res);
+                        if (plen < 0)
                                 goto backtrace;
+
+                        ret = 0;
+                        goto found;
                 }
 
-#define HL_OPTIMIZE
-#ifdef HL_OPTIMIZE
                 cn = (struct tnode *)n;
 
                 /*
@@ -1408,12 +1434,13 @@ fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
                  * *are* zero.
                  */
 
-                /* NOTA BENE: CHECKING ONLY SKIPPED BITS FOR THE NEW NODE HERE */
+                /* NOTA BENE: Checking only skipped bits
+                   for the new node here */
 
                 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)
+                            || !(cn->child[0]))
                                 goto backtrace;
                 }
 
@@ -1436,14 +1463,17 @@ fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
                  * new tnode's key.
                  */
 
-                /* Note: We aren't very concerned about the piece of the key
-                 * that precede pn->pos+pn->bits, since these have already been
-                 * checked. The bits after cn->pos aren't checked since these are
-                 * by definition "unknown" at this point. Thus, what we want to
-                 * see is if we are about to enter the "prefix matching" state,
-                 * and in that case verify that the skipped bits that will prevail
-                 * throughout this subtree are zero, as they have to be if we are
-                 * to find a matching prefix.
+                /*
+                 * Note: We aren't very concerned about the piece of
+                 * the key that precede pn->pos+pn->bits, since these
+                 * have already been checked. The bits after cn->pos
+                 * aren't checked since these are by definition
+                 * "unknown" at this point. Thus, what we want to see
+                 * is if we are about to enter the "prefix matching"
+                 * state, and in that case verify that the skipped
+                 * bits that will prevail throughout this subtree are
+                 * zero, as they have to be if we are to find a
+                 * matching prefix.
                  */
 
                 node_prefix = mask_pfx(cn->key, cn->pos);
@@ -1451,13 +1481,15 @@ fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
                 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.
+                /*
+                 * 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)))) {
                                 mp++;
-                                pref_mismatch = pref_mismatch <<1;
+                                pref_mismatch = pref_mismatch << 1;
                         }
                         key_prefix = tkey_extract_bits(cn->key, mp, cn->pos-mp);
 
@@ -1467,7 +1499,7 @@ fn_trie_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
                         if (current_prefix_length >= cn->pos)
                                 current_prefix_length = mp;
                 }
-#endif
+
                 pn = (struct tnode *)n; /* Descend */
                 chopped_off = 0;
                 continue;
@@ -1476,12 +1508,14 @@ 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
@@ -1531,7 +1565,8 @@ static int trie_leaf_remove(struct trie *t, t_key key)
         while (n != NULL && IS_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);
         }
@@ -1697,7 +1732,7 @@ static struct leaf *nextleaf(struct trie *t, struct leaf *thisleaf)
                 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_rcu(c);
 
@@ -1765,8 +1800,9 @@ static int fn_trie_flush(struct fib_table *tb)
         return found;
 }
 
-static void
-fn_trie_select_default(struct fib_table *tb, const struct flowi *flp, struct fib_result *res)
+static void fn_trie_select_default(struct fib_table *tb,
+                                   const struct flowi *flp,
+                                   struct fib_result *res)
 {
         struct trie *t = (struct trie *) tb->tb_data;
         int order, last_idx;
@@ -1837,7 +1873,8 @@ out:
         rcu_read_unlock();
 }
 
-static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah, struct fib_table *tb,
+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;
@@ -1876,8 +1913,8 @@ static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah, struct fi
         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;
@@ -1900,7 +1937,7 @@ static int fn_trie_dump_plen(struct trie *t, int plen, struct fib_table *tb, str
                 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;
                 }
@@ -1909,7 +1946,8 @@ static int fn_trie_dump_plen(struct trie *t, int plen, struct fib_table *tb, str
         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;
@@ -1924,7 +1962,7 @@ static int fn_trie_dump(struct fib_table *tb, struct sk_buff *skb, struct netlin
                         memset(&cb->args[3], 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;
                 }
@@ -1939,7 +1977,8 @@ out:
 
 void __init fib_hash_init(void)
 {
-        fn_alias_kmem = kmem_cache_create("ip_fib_alias", sizeof(struct fib_alias),
+        fn_alias_kmem = kmem_cache_create("ip_fib_alias",
+                                          sizeof(struct fib_alias),
                                           0, SLAB_PANIC, NULL);
 
         trie_leaf_kmem = kmem_cache_create("ip_fib_trie",
@@ -1973,7 +2012,7 @@ struct fib_table *fib_hash_table(u32 id)
         memset(t, 0, sizeof(*t));
 
         if (id == RT_TABLE_LOCAL)
-                printk(KERN_INFO "IPv4 FIB: Using LC-trie version %s\n", VERSION);
+                pr_info("IPv4 FIB: Using LC-trie version %s\n", VERSION);
 
         return tb;
 }
@@ -2107,7 +2146,8 @@ static void trie_show_stats(struct seq_file *seq, struct trie_stat *stat)
         else
                 avdepth = 0;
 
-        seq_printf(seq, "\tAver depth:     %u.%02d\n", avdepth / 100, avdepth % 100 );
+        seq_printf(seq, "\tAver depth:     %u.%02d\n",
+                   avdepth / 100, avdepth % 100);
         seq_printf(seq, "\tMax depth:      %u\n", stat->maxdepth);
 
         seq_printf(seq, "\tLeaves:         %u\n", stat->leaves);
@@ -2139,16 +2179,20 @@ static void trie_show_usage(struct seq_file *seq,
                             const struct trie_use_stats *stats)
 {
         seq_printf(seq, "\nCounters:\n---------\n");
-        seq_printf(seq,"gets = %u\n", stats->gets);
-        seq_printf(seq,"backtracks = %u\n", stats->backtrack);
-        seq_printf(seq,"semantic match passed = %u\n", stats->semantic_match_passed);
-        seq_printf(seq,"semantic match miss = %u\n", stats->semantic_match_miss);
-        seq_printf(seq,"null node hit= %u\n", stats->null_node_hit);
-        seq_printf(seq,"skipped node resize = %u\n\n", stats->resize_node_skipped);
+        seq_printf(seq, "gets = %u\n", stats->gets);
+        seq_printf(seq, "backtracks = %u\n", stats->backtrack);
+        seq_printf(seq, "semantic match passed = %u\n",
+                   stats->semantic_match_passed);
+        seq_printf(seq, "semantic match miss = %u\n",
+                   stats->semantic_match_miss);
+        seq_printf(seq, "null node hit= %u\n", stats->null_node_hit);
+        seq_printf(seq, "skipped node resize = %u\n\n",
+                   stats->resize_node_skipped);
 }
 #endif /*  CONFIG_IP_FIB_TRIE_STATS */
 
-static void fib_trie_show(struct seq_file *seq, const char *name, struct trie *trie)
+static void fib_trie_show(struct seq_file *seq, const char *name,
+                          struct trie *trie)
 {
         struct trie_stat stat;
 
@@ -2166,7 +2210,8 @@ static int fib_triestat_seq_show(struct seq_file *seq, void *v)
         struct fib_table *tb;
 
         seq_printf(seq,
-                   "Basic info: size of leaf: %Zd bytes, size of tnode: %Zd bytes.\n",
+                   "Basic info: size of leaf:"
+                   " %Zd bytes, size of tnode: %Zd bytes.\n",
                    sizeof(struct leaf), sizeof(struct tnode));
 
         tb = fib_get_table(net, RT_TABLE_LOCAL);
@@ -2439,10 +2484,11 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
 
         if (iter->trie == iter->trie_local)
                 return 0;
+
         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;
@@ -2469,7 +2515,8 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
                                          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