diff options
| -rw-r--r-- | include/net/netns/generic.h | 6 | ||||
| -rw-r--r-- | net/core/net_namespace.c | 8 |
2 files changed, 8 insertions, 6 deletions
diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h index d315786bcfd7..65ccce69b040 100644 --- a/include/net/netns/generic.h +++ b/include/net/netns/generic.h @@ -25,8 +25,10 @@ */ struct net_generic { - unsigned int len; - struct rcu_head rcu; + struct { + unsigned int len; + struct rcu_head rcu; + } s; void *ptr[0]; }; diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 707b3c25cb80..55e28a8d0604 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -50,7 +50,7 @@ static struct net_generic *net_alloc_generic(void) ng = kzalloc(generic_size, GFP_KERNEL); if (ng) - ng->len = max_gen_ptrs; + ng->s.len = max_gen_ptrs; return ng; } @@ -64,7 +64,7 @@ static int net_assign_generic(struct net *net, unsigned int id, void *data) old_ng = rcu_dereference_protected(net->gen, lockdep_is_held(&net_mutex)); - if (old_ng->len >= id) { + if (old_ng->s.len >= id) { old_ng->ptr[id - 1] = data; return 0; } @@ -84,11 +84,11 @@ static int net_assign_generic(struct net *net, unsigned int id, void *data) * the old copy for kfree after a grace period. */ - memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*)); + memcpy(&ng->ptr, &old_ng->ptr, old_ng->s.len * sizeof(void*)); ng->ptr[id - 1] = data; rcu_assign_pointer(net->gen, ng); - kfree_rcu(old_ng, rcu); + kfree_rcu(old_ng, s.rcu); return 0; } |