diff options
Diffstat (limited to 'net/core/net_namespace.c')
| -rw-r--r-- | net/core/net_namespace.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 1fc513c4c79..0e6cb02d7b7 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -56,7 +56,6 @@ static void net_free(struct net *net) static void cleanup_net(struct work_struct *work) { struct pernet_operations *ops; - struct list_head *ptr; struct net *net; net = container_of(work, struct net, work); @@ -69,8 +68,7 @@ static void cleanup_net(struct work_struct *work) net_unlock(); /* Run all of the network namespace exit methods */ - list_for_each_prev(ptr, &pernet_list) { - ops = list_entry(ptr, struct pernet_operations, list); + list_for_each_entry_reverse(ops, &pernet_list, list) { if (ops->exit) ops->exit(net); } @@ -102,7 +100,6 @@ static int setup_net(struct net *net) { /* Must be called with net_mutex held */ struct pernet_operations *ops; - struct list_head *ptr; int error; memset(net, 0, sizeof(struct net)); @@ -110,8 +107,7 @@ static int setup_net(struct net *net) atomic_set(&net->use_count, 0); error = 0; - list_for_each(ptr, &pernet_list) { - ops = list_entry(ptr, struct pernet_operations, list); + list_for_each_entry(ops, &pernet_list, list) { if (ops->init) { error = ops->init(net); if (error < 0) @@ -120,12 +116,12 @@ static int setup_net(struct net *net) } out: return error; + out_undo: /* Walk through the list backwards calling the exit functions * for the pernet modules whose init functions did not fail. */ - for (ptr = ptr->prev; ptr != &pernet_list; ptr = ptr->prev) { - ops = list_entry(ptr, struct pernet_operations, list); + list_for_each_entry_continue_reverse(ops, &pernet_list, list) { if (ops->exit) ops->exit(net); } |