From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Thu, 12 Oct 2006 05:29:33 +0000 (+0900)
Subject: ocfs2: delete redundant memcmp()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=79cd22d3ac921b9209bf813c7e75e6b69e74896c;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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 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;