Commit d5b8f86d authored by Florian Westphal's avatar Florian Westphal Committed by Steffen Klassert
Browse files

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: default avatarFlorian Westphal <fw@strlen.de>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent ae33786f

net/xfrm/xfrm_policy.c

+0 −2
Original line number Diff line number Diff line
@@ -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);