Commit 45939d25 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann

6lowpan: udp use subtraction on both conditions

Cleanup code to handle both calculation in the same way.
Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 1672a36b
...@@ -557,7 +557,7 @@ static void compress_udp_header(u8 **hc06_ptr, struct sk_buff *skb) ...@@ -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)); lowpan_push_hc_data(hc06_ptr, &tmp, sizeof(tmp));
tmp = /* subtraction is faster */ tmp = /* subtraction is faster */
(u8)((ntohs(uh->dest) - LOWPAN_NHC_UDP_4BIT_PORT) + (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)); lowpan_push_hc_data(hc06_ptr, &tmp, sizeof(tmp));
} else if ((ntohs(uh->dest) & LOWPAN_NHC_UDP_8BIT_MASK) == } else if ((ntohs(uh->dest) & LOWPAN_NHC_UDP_8BIT_MASK) ==
LOWPAN_NHC_UDP_8BIT_PORT) { LOWPAN_NHC_UDP_8BIT_PORT) {
......
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