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[BLUETOOTH] bnep endianness bug: filtering by packet type 

<= and => don't work well on net-endian...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2006-11-08 00:27:36 -08:00 committed by David S. Miller
parent ae08e1f092
commit e41d216973
2 changed files with 14 additions and 13 deletions
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16
net/bluetooth/bnep/core.c
View File

@ -117,14 +117,14 @@ static int bnep_send_rsp(struct bnep_session *s, u8 ctrl, u16 resp)
static inline void bnep_set_default_proto_filter(struct bnep_session *s)
{
/* (IPv4, ARP) */
s->proto_filter[0].start = htons(0x0800);
s->proto_filter[0].end = htons(0x0806);
s->proto_filter[0].start = ETH_P_IP;
s->proto_filter[0].end = ETH_P_ARP;
/* (RARP, AppleTalk) */
s->proto_filter[1].start = htons(0x8035);
s->proto_filter[1].end = htons(0x80F3);
s->proto_filter[1].start = ETH_P_RARP;
s->proto_filter[1].end = ETH_P_AARP;
/* (IPX, IPv6) */
s->proto_filter[2].start = htons(0x8137);
s->proto_filter[2].end = htons(0x86DD);
s->proto_filter[2].start = ETH_P_IPX;
s->proto_filter[2].end = ETH_P_IPV6;
}
#endif
@ -150,8 +150,8 @@ static int bnep_ctrl_set_netfilter(struct bnep_session *s, u16 *data, int len)
int i;
for (i = 0; i < n; i++) {
f[i].start = get_unaligned(data++);
f[i].end = get_unaligned(data++);
f[i].start = ntohs(get_unaligned(data++));
f[i].end = ntohs(get_unaligned(data++));
BT_DBG("proto filter start %d end %d",
f[i].start, f[i].end);

11
net/bluetooth/bnep/netdev.c
View File

@ -158,14 +158,15 @@ static inline int bnep_net_mc_filter(struct sk_buff *skb, struct bnep_session *s
static inline u16 bnep_net_eth_proto(struct sk_buff *skb)
{
struct ethhdr *eh = (void *) skb->data;
u16 proto = ntohs(eh->h_proto);
if (ntohs(eh->h_proto) >= 1536)
return eh->h_proto;
if (proto >= 1536)
return proto;
if (get_unaligned((u16 *) skb->data) == 0xFFFF)
return htons(ETH_P_802_3);
if (get_unaligned((__be16 *) skb->data) == htons(0xFFFF))
return ETH_P_802_3;
return htons(ETH_P_802_2);
return ETH_P_802_2;
}
static inline int bnep_net_proto_filter(struct sk_buff *skb, struct bnep_session *s)