xfrm: Fix bucket count reported to userspace

BugLink: https://bugs.launchpad.net/bugs/1837477
[ Upstream commit ca92e173ab34a4f7fc4128bd372bd96f1af6f507 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f9d2f2233f09531697b35209fe86754d23971e3f..728272f2479b181bfaaf116cee39c9e7316ec281 100644 (file)
--- 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);
 }