From bfbea8a8869a0e21b97605841d04190d63665d19 Mon Sep 17 00:00:00 2001 From: Wong Hoi Sing Edison Date: Thu, 28 Sep 2006 14:40:21 -0700 Subject: [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: Wong Hoi Sing Edison Signed-off-by: David S. Miller --- net/ipv4/tcp_lp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'net/ipv4/tcp_lp.c') diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c index 308fb7e071c5..f0ebaf0e21cb 100644 --- a/net/ipv4/tcp_lp.c +++ b/net/ipv4/tcp_lp.c @@ -31,8 +31,6 @@ * Hung Hing Lun, Mike * 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 @@ -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; -- cgit v1.2.3