diff options
| -rw-r--r-- | src/vnet/adj/adj_nbr.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/vnet/adj/adj_nbr.c b/src/vnet/adj/adj_nbr.c index d289bb6a2a8..b3a027b7af4 100644 --- a/src/vnet/adj/adj_nbr.c +++ b/src/vnet/adj/adj_nbr.c @@ -532,7 +532,7 @@ adj_nbr_update_rewrite_internal (ip_adjacency_t *adj, fib_walk_sync(FIB_NODE_TYPE_ADJ, walk_ai, &bw_ctx); /* - * fib_walk_sync may allocate a new adjacency and potentially cuase a + * fib_walk_sync may allocate a new adjacency and potentially cause a * realloc for adj_pool. When that happens, adj pointer is no longer * valid here. We refresh the adj pointer accordingly. */ @@ -793,9 +793,15 @@ adj_nbr_interface_state_change_one (adj_index_t ai, adj_lock (ai); adj = adj_get(ai); - adj->ia_flags |= ADJ_FLAG_SYNC_WALK_ACTIVE; fib_walk_sync(FIB_NODE_TYPE_ADJ, ai, &bw_ctx); + + /* + * fib_walk_sync may allocate a new adjacency and potentially cause a + * realloc for adj_pool. When that happens, adj pointer is no longer + * valid here. We refresh the adj pointer accordingly. + */ + adj = adj_get(ai); adj->ia_flags &= ~ADJ_FLAG_SYNC_WALK_ACTIVE; adj_unlock (ai); @@ -903,9 +909,15 @@ adj_nbr_interface_delete_one (adj_index_t ai, adj_lock(ai); adj = adj_get(ai); - adj->ia_flags |= ADJ_FLAG_SYNC_WALK_ACTIVE; fib_walk_sync(FIB_NODE_TYPE_ADJ, ai, &bw_ctx); + + /* + * fib_walk_sync may allocate a new adjacency and potentially cause a + * realloc for adj_pool. When that happens, adj pointer is no longer + * valid here. We refresh the adj pointer accordingly. + */ + adj = adj_get(ai); adj->ia_flags &= ~ADJ_FLAG_SYNC_WALK_ACTIVE; adj_unlock(ai); |