From b3b8128fd3b0966830ee90f1162173d07cb496a0 Mon Sep 17 00:00:00 2001
From: "Robert P. J. Day" <rpjday@crashcourse.ca>
Date: Wed, 16 Apr 2008 21:09:28 -0700
Subject: [PATCH] IB/ipath: Fix time comparison to use time_after_eq()
Raw comparison against jiffies will fail if jiffies wraps, although
since ipath currently only supports 64-bit architectures, this is rather
far-fetched. Still, it's better to use time_after_eq().
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/hw/ipath/ipath_mad.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index 30b2f44406b1..babcc09c832c 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -1397,7 +1397,8 @@ static int process_subn(struct ib_device *ibdev, int mad_flags,
}
/* Is the mkey in the process of expiring? */
- if (dev->mkey_lease_timeout && jiffies >= dev->mkey_lease_timeout) {
+ if (dev->mkey_lease_timeout &&
+ time_after_eq(jiffies, dev->mkey_lease_timeout)) {
/* Clear timeout and mkey protection field. */
dev->mkey_lease_timeout = 0;
dev->mkeyprot = 0;
--
2.30.9