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authorAkinobu Mita <akinobu.mita@gmail.com>2006-10-12 14:29:33 +0900
committerMark Fasheh <mark.fasheh@oracle.com>2006-10-20 15:26:06 -0700
commit79cd22d3ac921b9209bf813c7e75e6b69e74896c (patch)
tree5db5b2f1cb8620f6ad4a23e56b3743a669696fa2 /fs
parentf1877fb2967ec8c0c6e946cc24c253bb52ce4d06 (diff)
downloadblackbird-op-linux-79cd22d3ac921b9209bf813c7e75e6b69e74896c.tar.gz
blackbird-op-linux-79cd22d3ac921b9209bf813c7e75e6b69e74896c.zip
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/cluster/nodemanager.c10
1 files 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;
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