aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv4
diff options
context:
space:
mode:
authorWong Hoi Sing Edison <hswong3i@gmail.com>2006-09-28 17:40:21 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-28 21:03:07 -0400
commitbfbea8a8869a0e21b97605841d04190d63665d19 (patch)
treec447c1787942fcc9d2b4c6b7404ca75104984c70 /net/ipv4
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')
-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 @@
31 * Hung Hing Lun, Mike <hlhung3i@gmail.com> 31 * Hung Hing Lun, Mike <hlhung3i@gmail.com>
32 * SourceForge project page: 32 * SourceForge project page:
33 * http://tcp-lp-mod.sourceforge.net/ 33 * http://tcp-lp-mod.sourceforge.net/
34 *
35 * Version: $Id: tcp_lp.c,v 1.24 2006/09/05 20:22:53 hswong3i Exp $
36 */ 34 */
37 35
38#include <linux/module.h> 36#include <linux/module.h>
@@ -164,7 +162,7 @@ static u32 tcp_lp_remote_hz_estimator(struct sock *sk)
164 162
165 out: 163 out:
166 /* record time for successful remote HZ calc */ 164 /* record time for successful remote HZ calc */
167 if (rhz > 0) 165 if ((rhz >> 6) > 0)
168 lp->flag |= LP_VALID_RHZ; 166 lp->flag |= LP_VALID_RHZ;
169 else 167 else
170 lp->flag &= ~LP_VALID_RHZ; 168 lp->flag &= ~LP_VALID_RHZ;