From: Benjamin Poirier <bpoirier@suse.com>
Date: Mon, 5 Nov 2018 08:00:53 +0000 (+0900)
Subject: xfrm: Fix bucket count reported to userspace
X-Git-Tag: v4.20~27^2~30^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ca92e173ab34a4f7fc4128bd372bd96f1af6f507;p=thirdparty%2Fkernel%2Flinux.git

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@suse.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index b669262682c97..12cdb350c4562 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);
 }