ocfs2: delete redundant memcmp()

This patch deletes redundant memcmp() while looking up in rb tree.

Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index e1fceb8aa32d612973de79f9967f1b74f9bd0964..d11753c50bc1452822befe923c149f8e79202c0c 100644 (file)
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -152,14 +152,16 @@ static struct o2nm_node *o2nm_node_ip_tree_lookup(struct o2nm_cluster *cluster,
        struct o2nm_node *node, *ret = NULL;
 
        while (*p) {
+               int cmp;
+
                parent = *p;
                node = rb_entry(parent, struct o2nm_node, nd_ip_node);
 
-               if (memcmp(&ip_needle, &node->nd_ipv4_address,
-                          sizeof(ip_needle)) < 0)
+               cmp = memcmp(&ip_needle, &node->nd_ipv4_address,
+                               sizeof(ip_needle));
+               if (cmp < 0)
                        p = &(*p)->rb_left;
-               else if (memcmp(&ip_needle, &node->nd_ipv4_address,
-                               sizeof(ip_needle)) > 0)
+               else if (cmp > 0)
                        p = &(*p)->rb_right;
                else {
                        ret = node;