diff options
author | Paul Mackerras <paulus@samba.org> | 2007-02-08 15:03:11 +1100 |
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committer | Paul Mackerras <paulus@samba.org> | 2007-02-08 15:03:11 +1100 |
commit | d5112a4f31a361409d3c57dc9d58dd69f8014bef (patch) | |
tree | 64771300b2191cb94d9aaf60355661a01c2ccd1a /net/ipv4/fib_trie.c | |
parent | 12e86f92fcfe4f0bcab0ad7fa4088a64c60d9b38 (diff) | |
parent | 5fad293bcbd48d9a2370020cf60e4b4a42559b12 (diff) |
Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into for-2.6.21
Diffstat (limited to 'net/ipv4/fib_trie.c')
-rw-r--r-- | net/ipv4/fib_trie.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index cfb249cc0a5..1e589b91605 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1989,6 +1989,10 @@ static struct node *fib_trie_get_next(struct fib_trie_iter *iter) unsigned cindex = iter->index; struct tnode *p; + /* A single entry routing table */ + if (!tn) + return NULL; + pr_debug("get_next iter={node=%p index=%d depth=%d}\n", iter->tnode, iter->index, iter->depth); rescan: @@ -2037,11 +2041,18 @@ static struct node *fib_trie_get_first(struct fib_trie_iter *iter, if(!iter) return NULL; - if (n && IS_TNODE(n)) { - iter->tnode = (struct tnode *) n; - iter->trie = t; - iter->index = 0; - iter->depth = 1; + if (n) { + if (IS_TNODE(n)) { + iter->tnode = (struct tnode *) n; + iter->trie = t; + iter->index = 0; + iter->depth = 1; + } else { + iter->tnode = NULL; + iter->trie = t; + iter->index = 0; + iter->depth = 0; + } return n; } return NULL; @@ -2279,16 +2290,17 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) if (v == SEQ_START_TOKEN) return 0; + if (!NODE_PARENT(n)) { + if (iter->trie == trie_local) + seq_puts(seq, "<local>:\n"); + else + seq_puts(seq, "<main>:\n"); + } + if (IS_TNODE(n)) { struct tnode *tn = (struct tnode *) n; __be32 prf = htonl(MASK_PFX(tn->key, tn->pos)); - if (!NODE_PARENT(n)) { - if (iter->trie == trie_local) - seq_puts(seq, "<local>:\n"); - else - seq_puts(seq, "<main>:\n"); - } 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, |