diff options
Diffstat (limited to 'net/tipc/bearer.c')
| -rw-r--r-- | net/tipc/bearer.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 878415c43527..ae1ddbf71853 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -163,8 +163,12 @@ static int bearer_name_validate(const char *name, /* return bearer name components, if necessary */ if (name_parts) { - strcpy(name_parts->media_name, media_name); - strcpy(name_parts->if_name, if_name); + if (strscpy(name_parts->media_name, media_name, + TIPC_MAX_MEDIA_NAME) < 0) + return 0; + if (strscpy(name_parts->if_name, if_name, + TIPC_MAX_IF_NAME) < 0) + return 0; } return 1; } @@ -322,7 +326,7 @@ static int tipc_enable_bearer(struct net *net, const char *name, if (!b) return -ENOMEM; - strcpy(b->name, name); + strscpy(b->name, name); b->media = m; res = m->enable_media(net, b, attr); if (res) { @@ -1079,30 +1083,27 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info) rtnl_lock(); b = tipc_bearer_find(net, name); if (!b) { - rtnl_unlock(); NL_SET_ERR_MSG(info->extack, "Bearer not found"); - return -EINVAL; + err = -EINVAL; + goto out; } #ifdef CONFIG_TIPC_MEDIA_UDP if (attrs[TIPC_NLA_BEARER_UDP_OPTS]) { if (b->media->type_id != TIPC_MEDIA_TYPE_UDP) { - rtnl_unlock(); NL_SET_ERR_MSG(info->extack, "UDP option is unsupported"); - return -EINVAL; + err = -EINVAL; + goto out; } err = tipc_udp_nl_bearer_add(b, attrs[TIPC_NLA_BEARER_UDP_OPTS]); - if (err) { - rtnl_unlock(); - return err; - } } #endif +out: rtnl_unlock(); - return 0; + return err; } int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info) |