diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/xfrm/xfrm_policy.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 47219f98053f..9fc4c315f6cd 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c | |||
@@ -331,15 +331,31 @@ static void xfrm_dst_hash_transfer(struct hlist_head *list, | |||
331 | struct hlist_head *ndsttable, | 331 | struct hlist_head *ndsttable, |
332 | unsigned int nhashmask) | 332 | unsigned int nhashmask) |
333 | { | 333 | { |
334 | struct hlist_node *entry, *tmp; | 334 | struct hlist_node *entry, *tmp, *entry0 = NULL; |
335 | struct xfrm_policy *pol; | 335 | struct xfrm_policy *pol; |
336 | unsigned int h0 = 0; | ||
336 | 337 | ||
338 | redo: | ||
337 | hlist_for_each_entry_safe(pol, entry, tmp, list, bydst) { | 339 | hlist_for_each_entry_safe(pol, entry, tmp, list, bydst) { |
338 | unsigned int h; | 340 | unsigned int h; |
339 | 341 | ||
340 | h = __addr_hash(&pol->selector.daddr, &pol->selector.saddr, | 342 | h = __addr_hash(&pol->selector.daddr, &pol->selector.saddr, |
341 | pol->family, nhashmask); | 343 | pol->family, nhashmask); |
342 | hlist_add_head(&pol->bydst, ndsttable+h); | 344 | if (!entry0) { |
345 | hlist_del(entry); | ||
346 | hlist_add_head(&pol->bydst, ndsttable+h); | ||
347 | h0 = h; | ||
348 | } else { | ||
349 | if (h != h0) | ||
350 | continue; | ||
351 | hlist_del(entry); | ||
352 | hlist_add_after(entry0, &pol->bydst); | ||
353 | } | ||
354 | entry0 = entry; | ||
355 | } | ||
356 | if (!hlist_empty(list)) { | ||
357 | entry0 = NULL; | ||
358 | goto redo; | ||
343 | } | 359 | } |
344 | } | 360 | } |
345 | 361 | ||