From 77d8d7a6848c81084f413e1ec4982123a56e2ccb Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Wed, 5 Oct 2005 12:15:12 -0700 Subject: [IPSEC]: Document that policy direction is derived from the index. Here is a patch that adds a helper called xfrm_policy_id2dir to document the fact that the policy direction can be and is derived from the index. This is based on a patch by YOSHIFUJI Hideaki and 210313105@suda.edu.cn. Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- net/xfrm/xfrm_policy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/xfrm') diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index c6a0d34fc29..061b44cc245 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -163,7 +163,7 @@ static void xfrm_policy_timer(unsigned long data) if (xp->dead) goto out; - dir = xp->index & 7; + dir = xfrm_policy_id2dir(xp->index); if (xp->lft.hard_add_expires_seconds) { long tmo = xp->lft.hard_add_expires_seconds + @@ -417,7 +417,7 @@ struct xfrm_policy *xfrm_policy_byid(int dir, u32 id, int delete) struct xfrm_policy *pol, **p; write_lock_bh(&xfrm_policy_lock); - for (p = &xfrm_policy_list[id & 7]; (pol=*p)!=NULL; p = &pol->next) { + for (p = &xfrm_policy_list[dir]; (pol=*p)!=NULL; p = &pol->next) { if (pol->index == id) { xfrm_pol_hold(pol); if (delete) -- cgit v1.2.3