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authorWong Hoi Sing Edison <hswong3i@gmail.com>2006-09-28 14:40:21 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-28 18:03:07 -0700
commitbfbea8a8869a0e21b97605841d04190d63665d19 (patch)
treec447c1787942fcc9d2b4c6b7404ca75104984c70 /net/ipv4/tcp_lp.c
parent1811474620d1986da45f7245168bf7c2d883d770 (diff)
[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 <hswong3i@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_lp.c')
-rw-r--r--net/ipv4/tcp_lp.c4
1 files changed, 1 insertions, 3 deletions
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 <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;