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| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 08:45:08 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-10-02 08:45:08 -0400 |
| commit | 59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch) | |
| tree | f1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /lib/rbtree.c | |
| parent | 825f9075d74028d11d7f5932f04e1b5db3022b51 (diff) | |
| parent | d834c16516d1ebec4766fc58c059bf01311e6045 (diff) | |
Merge branch 'master' into gfs2
Diffstat (limited to 'lib/rbtree.c')
| -rw-r--r-- | lib/rbtree.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/rbtree.c b/lib/rbtree.c index 1e55ba1c2ed..48499c2d88c 100644 --- a/lib/rbtree.c +++ b/lib/rbtree.c @@ -322,6 +322,9 @@ struct rb_node *rb_next(struct rb_node *node) { struct rb_node *parent; + if (rb_parent(node) == node) + return NULL; + /* If we have a right-hand child, go down and then left as far as we can. */ if (node->rb_right) { @@ -348,6 +351,9 @@ struct rb_node *rb_prev(struct rb_node *node) { struct rb_node *parent; + if (rb_parent(node) == node) + return NULL; + /* If we have a left-hand child, go down and then right as far as we can. */ if (node->rb_left) { |