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Diffstat (limited to 'net/core/neighbour.c')
-rw-r--r--net/core/neighbour.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 8e39e28b0a8d..e2982b3970b8 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -41,7 +41,6 @@
#include <trace/events/neigh.h>
-#define DEBUG
#define NEIGH_DEBUG 1
#define neigh_dbg(level, fmt, ...) \
do { \
@@ -235,6 +234,8 @@ static int neigh_forced_gc(struct neigh_table *tbl)
write_lock(&n->lock);
if ((n->nud_state == NUD_FAILED) ||
+ (tbl->is_multicast &&
+ tbl->is_multicast(n->primary_key)) ||
time_after(tref, n->updated))
remove = true;
write_unlock(&n->lock);
@@ -1243,13 +1244,14 @@ static int __neigh_update(struct neighbour *neigh, const u8 *lladdr,
old = neigh->nud_state;
err = -EPERM;
- if (!(flags & NEIGH_UPDATE_F_ADMIN) &&
- (old & (NUD_NOARP | NUD_PERMANENT)))
- goto out;
if (neigh->dead) {
NL_SET_ERR_MSG(extack, "Neighbor entry is now dead");
+ new = old;
goto out;
}
+ if (!(flags & NEIGH_UPDATE_F_ADMIN) &&
+ (old & (NUD_NOARP | NUD_PERMANENT)))
+ goto out;
ext_learn_change = neigh_update_ext_learned(neigh, flags, &notify);
@@ -1567,10 +1569,8 @@ static void neigh_proxy_process(struct timer_list *t)
void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
struct sk_buff *skb)
{
- unsigned long now = jiffies;
-
- unsigned long sched_next = now + (prandom_u32() %
- NEIGH_VAR(p, PROXY_DELAY));
+ unsigned long sched_next = jiffies +
+ prandom_u32_max(NEIGH_VAR(p, PROXY_DELAY));
if (tbl->proxy_queue.qlen > NEIGH_VAR(p, PROXY_QLEN)) {
kfree_skb(skb);