From: Alexander Aring <alex.aring@gmail.com>
To: linux-zigbee-devel@lists.sourceforge.net
Cc: werner@almesberger.net, linux-bluetooth@vger.kernel.org,
Alexander Aring <alex.aring@gmail.com>
Subject: [PATCH v3 bluetooth-next 7/8] 6lowpan: udp use subtraction on both conditions
Date: Tue, 17 Dec 2013 14:21:27 +0100 [thread overview]
Message-ID: <1387286488-29382-8-git-send-email-alex.aring@gmail.com> (raw)
In-Reply-To: <1387286488-29382-1-git-send-email-alex.aring@gmail.com>
Cleanup code to handle both calculation in the same way.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
---
net/ieee802154/6lowpan_iphc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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) {
--
1.8.5.1
next prev parent reply other threads:[~2013-12-17 13:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-17 13:21 [PATCH v3 bluetooth-next 0/8] 6lowpan: udp compression/uncompression fix Alexander Aring
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 1/8] 6lowpan: introduce lowpan_push_hc_data function Alexander Aring
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 2/8] 6lowpan: udp use " Alexander Aring
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 3/8] 6lowpan: fix udp compress ordering Alexander Aring
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 4/8] 6lowpan: fix udp byte ordering Alexander Aring
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 5/8] 6lowpan: add udp warning for elided checksum Alexander Aring
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 6/8] 6lowpan: udp use lowpan_fetch_skb function Alexander Aring
2013-12-17 13:21 ` Alexander Aring [this message]
2013-12-17 13:21 ` [PATCH v3 bluetooth-next 8/8] 6lowpan: cleanup udp compress function Alexander Aring
2013-12-17 14:18 ` [PATCH v3 bluetooth-next 0/8] 6lowpan: udp compression/uncompression fix Marcel Holtmann
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