RDMA/rtrs-clt: Fix the initial value of min_latency

BugLink: https://bugs.launchpad.net/bugs/1959376
[ Upstream commit 925cac6358677d3d64f9b25f205eeb3d31c9f7f8 ]

The type of min_latency is ktime_t, so use KTIME_MAX to initialize the
initial value.

Fixes: dc3b66a0ce70 ("RDMA/rtrs-clt: Add a minimum latency multipath policy")
Link: https://lore.kernel.org/r/20211124081040.19533-1-jinpu.wang@ionos.com
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Reviewed-by: Guoqing Jiang <Guoqing.Jiang@linux.dev>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index bc8824b4ee0d445d7feef7d30d6cc621c3435ada..55ebe01ec9951e060015d7dadc78dfe12c28f07a 100644 (file)
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -867,7 +867,7 @@ static struct rtrs_clt_sess *get_next_path_min_latency(struct path_it *it)
        struct rtrs_clt_sess *min_path = NULL;
        struct rtrs_clt *clt = it->clt;
        struct rtrs_clt_sess *sess;
-       ktime_t min_latency = INT_MAX;
+       ktime_t min_latency = KTIME_MAX;
        ktime_t latency;
 
        list_for_each_entry_rcu(sess, &clt->paths_list, s.entry) {