netdev - [PATCH] xfrm: Fix bucket count reported to userspace

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Date:   Mon,  5 Nov 2018 17:00:53 +0900
From:   Benjamin Poirier <bpoirier@...e.com>
To:     Steffen Klassert <steffen.klassert@...unet.com>,
        Jamal Hadi Salim <jhs@...atatu.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH] xfrm: Fix bucket count reported to userspace

sadhcnt is reported by `ip -s xfrm state count` as "buckets count", not the
hash mask.

Fixes: 28d8909bc790 ("[XFRM]: Export SAD info.")
Signed-off-by: Benjamin Poirier <bpoirier@...e.com>
---
 net/xfrm/xfrm_state.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index b669262682c9..12cdb350c456 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -788,7 +788,7 @@ void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si)
 {
 	spin_lock_bh(&net->xfrm.xfrm_state_lock);
 	si->sadcnt = net->xfrm.state_num;
-	si->sadhcnt = net->xfrm.state_hmask;
+	si->sadhcnt = net->xfrm.state_hmask + 1;
 	si->sadhmcnt = xfrm_state_hashmax;
 	spin_unlock_bh(&net->xfrm.xfrm_state_lock);
 }
-- 
2.19.0