X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fipvs%2Fip_vs_sched.c;h=b64767309855f2a2efe54859ceb30d978d34ff86;hb=f076ab8d048f152b968bb1c6313fed88abb037fe;hp=8bc42b76223db8555bb2edb97cfea61c24d303d3;hpb=37ef4399a6bb265d3035e6d6e45f7677b132a3ba;p=linux-2.6

diff --git a/net/ipv4/ipvs/ip_vs_sched.c b/net/ipv4/ipvs/ip_vs_sched.c
index 8bc42b7622..b647673098 100644
--- a/net/ipv4/ipvs/ip_vs_sched.c
+++ b/net/ipv4/ipvs/ip_vs_sched.c
@@ -5,8 +5,6 @@
  *              high-performance and highly available server based on a
  *              cluster of servers.
  *
- * Version:     $Id: ip_vs_sched.c,v 1.13 2003/05/10 03:05:23 wensong Exp $
- *
  * Authors:     Wensong Zhang <wensong@linuxvirtualserver.org>
  *              Peter Kese <peter.kese@ijs.si>
  *
@@ -20,11 +18,11 @@
  */
 
 #include <linux/module.h>
-#include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <asm/string.h>
 #include <linux/kmod.h>
+#include <linux/sysctl.h>
 
 #include <net/ip_vs.h>
 
@@ -184,19 +182,6 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
 	/* increase the module use count */
 	ip_vs_use_count_inc();
 
-	/*
-	 *  Make sure that the scheduler with this name doesn't exist
-	 *  in the scheduler list.
-	 */
-	sched = ip_vs_sched_getbyname(scheduler->name);
-	if (sched) {
-		ip_vs_scheduler_put(sched);
-		ip_vs_use_count_dec();
-		IP_VS_ERR("register_ip_vs_scheduler(): [%s] scheduler "
-			  "already existed in the system\n", scheduler->name);
-		return -EINVAL;
-	}
-
 	write_lock_bh(&__ip_vs_sched_lock);
 
 	if (scheduler->n_list.next != &scheduler->n_list) {
@@ -207,6 +192,20 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler)
 		return -EINVAL;
 	}
 
+	/*
+	 *  Make sure that the scheduler with this name doesn't exist
+	 *  in the scheduler list.
+	 */
+	list_for_each_entry(sched, &ip_vs_schedulers, n_list) {
+		if (strcmp(scheduler->name, sched->name) == 0) {
+			write_unlock_bh(&__ip_vs_sched_lock);
+			ip_vs_use_count_dec();
+			IP_VS_ERR("register_ip_vs_scheduler(): [%s] scheduler "
+					"already existed in the system\n",
+					scheduler->name);
+			return -EINVAL;
+		}
+	}
 	/*
 	 *	Add it into the d-linked scheduler list
 	 */