xfrm: policy: don't acquire policy lock in xfrm_spd_getinfo

It doesn't seem that important.

We now get inconsistent view of the counters, but those are stale anyway
right after we drop the lock.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 3d27b9a2fbac..35b85a9a358c 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -560,7 +560,6 @@ static inline int xfrm_byidx_should_resize(struct net *net, int total)
 
 void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si)
 {
-        read_lock_bh(&net->xfrm.xfrm_policy_lock);
         si->incnt = net->xfrm.policy_count[XFRM_POLICY_IN];
         si->outcnt = net->xfrm.policy_count[XFRM_POLICY_OUT];
         si->fwdcnt = net->xfrm.policy_count[XFRM_POLICY_FWD];
@@ -569,7 +568,6 @@ void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si)
         si->fwdscnt = net->xfrm.policy_count[XFRM_POLICY_FWD+XFRM_POLICY_MAX];
         si->spdhcnt = net->xfrm.policy_idx_hmask;
         si->spdhmcnt = xfrm_policy_hashmax;
-        read_unlock_bh(&net->xfrm.xfrm_policy_lock);
 }
 EXPORT_SYMBOL(xfrm_spd_getinfo);