From 79cd22d3ac921b9209bf813c7e75e6b69e74896c Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Thu, 12 Oct 2006 14:29:33 +0900 Subject: [PATCH] ocfs2: delete redundant memcmp() This patch deletes redundant memcmp() while looking up in rb tree. Signed-off-by: Akinbou Mita Signed-off-by: Mark Fasheh --- fs/ocfs2/cluster/nodemanager.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c index e1fceb8aa32d..d11753c50bc1 100644 --- 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; -- 2.39.5