diff options
Diffstat (limited to 'net/6lowpan/nhc.c')
| -rw-r--r-- | net/6lowpan/nhc.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/net/6lowpan/nhc.c b/net/6lowpan/nhc.c index fd20fc51a..7008d53e4 100644 --- a/net/6lowpan/nhc.c +++ b/net/6lowpan/nhc.c @@ -95,23 +95,20 @@ static struct lowpan_nhc *lowpan_nhc_by_nhcid(const struct sk_buff *skb) } int lowpan_nhc_check_compression(struct sk_buff *skb, - const struct ipv6hdr *hdr, u8 **hc_ptr, - u8 *iphc0) + const struct ipv6hdr *hdr, u8 **hc_ptr) { struct lowpan_nhc *nhc; + int ret = 0; spin_lock_bh(&lowpan_nhc_lock); nhc = lowpan_nexthdr_nhcs[hdr->nexthdr]; - if (nhc && nhc->compress) - *iphc0 |= LOWPAN_IPHC_NH_C; - else - lowpan_push_hc_data(hc_ptr, &hdr->nexthdr, - sizeof(hdr->nexthdr)); + if (!(nhc && nhc->compress)) + ret = -ENOENT; spin_unlock_bh(&lowpan_nhc_lock); - return 0; + return ret; } int lowpan_nhc_do_compression(struct sk_buff *skb, const struct ipv6hdr *hdr, @@ -157,7 +154,8 @@ out: return ret; } -int lowpan_nhc_do_uncompression(struct sk_buff *skb, struct net_device *dev, +int lowpan_nhc_do_uncompression(struct sk_buff *skb, + const struct net_device *dev, struct ipv6hdr *hdr) { struct lowpan_nhc *nhc; |