From: Florian Westphal Date: Thu, 11 Aug 2016 13:17:58 +0000 (+0200) Subject: xfrm: policy: don't acquire policy lock in xfrm_spd_getinfo X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d5b8f86dc7200d16e48bb3a6aaac29c0cdf621c9;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Signed-off-by: Steffen Klassert --- 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);