diff options
author | Tony Lu <tonylu@linux.alibaba.com> | 2021-10-28 15:13:45 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-17 11:03:31 +0100 |
commit | c5f3e2b44a3a9aec8e846114ca9ffdeaf7c31fb5 (patch) | |
tree | 27c11e32e7187d1e3eab879c859cecc6cfd41b5f | |
parent | 0019c6dc00d1d26ac2507fd397c7b6a17de31ae5 (diff) |
net/smc: Fix smc_link->llc_testlink_time overflow
[ Upstream commit c4a146c7cf5e8ad76231523b174d161bf152c6e7 ]
The value of llc_testlink_time is set to the value stored in
net->ipv4.sysctl_tcp_keepalive_time when linkgroup init. The value of
sysctl_tcp_keepalive_time is already jiffies, so we don't need to
multiply by HZ, which would cause smc_link->llc_testlink_time overflow,
and test_link send flood.
Signed-off-by: Tony Lu <tonylu@linux.alibaba.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: Wen Gu <guwen@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | net/smc/smc_llc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c index 72f4b72eb175..f1d323439a2a 100644 --- a/net/smc/smc_llc.c +++ b/net/smc/smc_llc.c @@ -1822,7 +1822,7 @@ void smc_llc_link_active(struct smc_link *link) link->smcibdev->ibdev->name, link->ibport); link->state = SMC_LNK_ACTIVE; if (link->lgr->llc_testlink_time) { - link->llc_testlink_time = link->lgr->llc_testlink_time * HZ; + link->llc_testlink_time = link->lgr->llc_testlink_time; schedule_delayed_work(&link->llc_testlink_wrk, link->llc_testlink_time); } |