From: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma
(linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] ibacm/acm.c: Make sure shift for subnet timeout is not negative
Date: Wed, 30 May 2012 17:31:02 -0400 [thread overview]
Message-ID: <4FC69196.9070200@dev.mellanox.co.il> (raw)
in acm_port_up
Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
---
diff --git a/src/acm.c b/src/acm.c
index b47ee8a..c40f079 100644
--- a/src/acm.c
+++ b/src/acm.c
@@ -2794,7 +2794,8 @@ static void acm_port_up(struct acm_port *port)
port->mtu = attr.active_mtu;
port->rate = acm_get_rate(attr.active_width, attr.active_speed);
- port->subnet_timeout = 1 << (attr.subnet_timeout - 8);
+ if (attr.subnet_timeout >= 8)
+ port->subnet_timeout = 1 << (attr.subnet_timeout - 8);
for (port->gid_cnt = 0;; port->gid_cnt++) {
ret = ibv_query_gid(port->dev->verbs, port->port_num, port->gid_cnt, &gid);
if (ret || !gid.global.interface_id)
--
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next reply other threads:[~2012-05-30 21:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-30 21:31 Hal Rosenstock [this message]
[not found] ` <4FC69196.9070200-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2012-05-31 23:20 ` [PATCH] ibacm/acm.c: Make sure shift for subnet timeout is not negative Hefty, Sean
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