From e9b5743885065ef50f74ec6a0b76693f3073ad26 Mon Sep 17 00:00:00 2001
From: Alex Vesker <valex@mellanox.com>
Date: Thu, 13 Jul 2017 11:27:12 +0300
Subject: [PATCH] IB/ipoib: Prevent setting negative values to
 max_nonsrq_conn_qp

commit 11f74b40359b19f760964e71d04882a6caf530cc upstream.

Don't allow negative values to max_nonsrq_conn_qp. There is no functional
impact on a negative value but it is logicically incorrect.

Fixes: 68e995a29572 ("IPoIB/cm: Add connected mode support for devices without SRQs")
Signed-off-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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