[patch 5/9] bnep endianness bug: filtering by packet type

[akpm]

From: Al Viro <[EMAIL PROTECTED]>

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

Signed-off-by: Al Viro <[EMAIL PROTECTED]>
Acked-by: Marcel Holtmann <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---

 net/bluetooth/bnep/core.c   |   16 ++++++++--------
 net/bluetooth/bnep/netdev.c |   11 ++++++-----
 2 files changed, 14 insertions(+), 13 deletions(-)

diff -puN 
net/bluetooth/bnep/core.c~bnep-endianness-bug-filtering-by-packet-type 
net/bluetooth/bnep/core.c
--- a/net/bluetooth/bnep/core.c~bnep-endianness-bug-filtering-by-packet-type
+++ a/net/bluetooth/bnep/core.c
@@ -117,14 +117,14 @@ static int bnep_send_rsp(struct bnep_ses
 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(struc
                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);
diff -puN 
net/bluetooth/bnep/netdev.c~bnep-endianness-bug-filtering-by-packet-type 
net/bluetooth/bnep/netdev.c
--- a/net/bluetooth/bnep/netdev.c~bnep-endianness-bug-filtering-by-packet-type
+++ a/net/bluetooth/bnep/netdev.c
@@ -158,14 +158,15 @@ static inline int bnep_net_mc_filter(str
 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)
_
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html