diff options
Diffstat (limited to 'net/netfilter/nfnetlink.c')
| -rw-r--r-- | net/netfilter/nfnetlink.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 4bc27a6334c1..83f4c53030fc 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -128,7 +128,7 @@ void __nfa_fill(struct sk_buff *skb, int attrtype, int attrlen, memset(NFA_DATA(nfa) + attrlen, 0, NFA_ALIGN(size) - size); } -int nfattr_parse(struct nfattr *tb[], int maxattr, struct nfattr *nfa, int len) +void nfattr_parse(struct nfattr *tb[], int maxattr, struct nfattr *nfa, int len) { memset(tb, 0, sizeof(struct nfattr *) * maxattr); @@ -138,8 +138,6 @@ int nfattr_parse(struct nfattr *tb[], int maxattr, struct nfattr *nfa, int len) tb[flavor-1] = nfa; nfa = NFA_NEXT(nfa, len); } - - return 0; } /** @@ -242,15 +240,18 @@ static inline int nfnetlink_rcv_msg(struct sk_buff *skb, ss = nfnetlink_get_subsys(type); if (!ss) { #ifdef CONFIG_KMOD - /* don't call nfnl_shunlock, since it would reenter - * with further packet processing */ - up(&nfnl_sem); - request_module("nfnetlink-subsys-%d", NFNL_SUBSYS_ID(type)); - nfnl_shlock(); - ss = nfnetlink_get_subsys(type); + if (cap_raised(NETLINK_CB(skb).eff_cap, CAP_NET_ADMIN)) { + /* don't call nfnl_shunlock, since it would reenter + * with further packet processing */ + up(&nfnl_sem); + request_module("nfnetlink-subsys-%d", + NFNL_SUBSYS_ID(type)); + nfnl_shlock(); + ss = nfnetlink_get_subsys(type); + } if (!ss) #endif - goto err_inval; + goto err_inval; } nc = nfnetlink_find_client(type, ss); |