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Commit bfbea8a8 authored by Wong Hoi Sing Edison's avatar Wong Hoi Sing Edison Committed by David S. Miller
Browse files

[TCP] tcp-lp: prevent chance for oops 



This patch fix the chance for tcp_lp_remote_hz_estimator return 0, if
0 < rhz < 64. It also make sure the flag LP_VALID_RHZ is set
correctly.

Signed-off-by: default avatarWong Hoi Sing Edison <hswong3i@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 18114746

net/ipv4/tcp_lp.c

+1 −3
Original line number Diff line number Diff line
@@ -31,8 +31,6 @@ 
 *   Hung Hing Lun, Mike <hlhung3i@gmail.com>

 * SourceForge project page:

 *   http://tcp-lp-mod.sourceforge.net/

 *

 * Version: $Id: tcp_lp.c,v 1.24 2006/09/05 20:22:53 hswong3i Exp $

 */



#include <linux/module.h>
@@ -164,7 +162,7 @@ static u32 tcp_lp_remote_hz_estimator(struct sock *sk) 


 out:

	/* record time for successful remote HZ calc */

	if (rhz > 0)

	if ((rhz >> 6) > 0)

		lp->flag |= LP_VALID_RHZ;

	else

		lp->flag &= ~LP_VALID_RHZ;