From: Nishanth Aravamudan <nacc@us.ibm.com>
Subject: [KJ] [UPDATE PATCH] net/slip: replace schedule_timeout() with 	msleep()


Use msleep() instead of schedule_timeout() to guarantee
the task delays as expected. While the original code does use
TASK_INTERRUPTIBLE, it does not check for signals, so I believe msleep() is more
appropriate.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Domen Puncer <domen@coderock.org>
---
 slip.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

Index: quilt/drivers/net/slip.c
===================================================================
--- quilt.orig/drivers/net/slip.c
+++ quilt/drivers/net/slip.c
@@ -75,6 +75,7 @@
 #include <linux/if_arp.h>
 #include <linux/if_slip.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include "slip.h"
 #ifdef CONFIG_INET
 #include <linux/ip.h>
@@ -1389,10 +1390,8 @@ static void __exit slip_exit(void)
 	/* First of all: check for active disciplines and hangup them.
 	 */
 	do {
-		if (busy) {
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(HZ / 10);
-		}
+		if (busy)
+			msleep(100);
 
 		busy = 0;
 		for (i = 0; i < slip_maxdev; i++) {