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| author | Alexander Aring <alex.aring@gmail.com> | 2013-12-17 14:21:27 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2013-12-17 06:16:48 -0800 |
| commit | 45939d2570e4c9120a732464b2dca9c0e5606eb2 (patch) | |
| tree | b865f18887af15caf1e38f87483b5762d640d716 /net | |
| parent | 1672a36b73eb279910691359962aa999a7443aaf (diff) | |
| download | op-kernel-dev-45939d2570e4c9120a732464b2dca9c0e5606eb2.zip op-kernel-dev-45939d2570e4c9120a732464b2dca9c0e5606eb2.tar.gz | |
6lowpan: udp use subtraction on both conditions
Cleanup code to handle both calculation in the same way.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ieee802154/6lowpan_iphc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ieee802154/6lowpan_iphc.c b/net/ieee802154/6lowpan_iphc.c index 8857285..b298bfc 100644 --- a/net/ieee802154/6lowpan_iphc.c +++ b/net/ieee802154/6lowpan_iphc.c @@ -557,7 +557,7 @@ static void compress_udp_header(u8 **hc06_ptr, struct sk_buff *skb) lowpan_push_hc_data(hc06_ptr, &tmp, sizeof(tmp)); tmp = /* subtraction is faster */ (u8)((ntohs(uh->dest) - LOWPAN_NHC_UDP_4BIT_PORT) + - ((ntohs(uh->source) & LOWPAN_NHC_UDP_4BIT_PORT) << 4)); + ((ntohs(uh->source) - LOWPAN_NHC_UDP_4BIT_PORT) << 4)); lowpan_push_hc_data(hc06_ptr, &tmp, sizeof(tmp)); } else if ((ntohs(uh->dest) & LOWPAN_NHC_UDP_8BIT_MASK) == LOWPAN_NHC_UDP_8BIT_PORT) { |
