Return-Path: From: Alexander Aring To: linux-wpan@vger.kernel.org Cc: linux-bluetooth@vger.kernel.org, kernel@pengutronix.de, mcr@sandelman.ca, lukasz.duda@nordicsemi.no, martin.gergeleit@hs-rm.de, Alexander Aring Subject: [RFC bluetooth-next 3/4] 6lowpan: iphc: remove handling when dam is zero Date: Wed, 11 Nov 2015 18:14:38 +0100 Message-Id: <1447262079-2509-4-git-send-email-alex.aring@gmail.com> In-Reply-To: <1447262079-2509-1-git-send-email-alex.aring@gmail.com> References: <1447262079-2509-1-git-send-email-alex.aring@gmail.com> Sender: linux-wpan-owner@vger.kernel.org List-ID: This patch removes handling of LOWPAN_IPHC_DAM_00 inside the lowpan_compress_addr_64 function. The case of LOWPAN_IPHC_DAM_00 can never occur. there exists a if branch which use LOWPAN_IPHC_DAM_11 and LOWPAN_IPHC_DAM_10 and inside the else branch LOWPAN_IPHC_DAM_01. So LOWPAN_IPHC_DAM_00 can never occur. Signed-off-by: Alexander Aring --- net/6lowpan/iphc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c index 13f5424..f7f175c 100644 --- a/net/6lowpan/iphc.c +++ b/net/6lowpan/iphc.c @@ -594,7 +594,6 @@ int lowpan_header_decompress(struct sk_buff *skb, const struct net_device *dev, EXPORT_SYMBOL_GPL(lowpan_header_decompress); static const u8 lowpan_iphc_dam_to_sam_value[] = { - [LOWPAN_IPHC_DAM_00] = LOWPAN_IPHC_SAM_00, [LOWPAN_IPHC_DAM_01] = LOWPAN_IPHC_SAM_01, [LOWPAN_IPHC_DAM_10] = LOWPAN_IPHC_SAM_10, [LOWPAN_IPHC_DAM_11] = LOWPAN_IPHC_SAM_11, @@ -603,7 +602,7 @@ static const u8 lowpan_iphc_dam_to_sam_value[] = { static u8 lowpan_compress_addr_64(u8 **hc_ptr, const struct in6_addr *ipaddr, const unsigned char *lladdr, bool sam) { - u8 dam = LOWPAN_IPHC_DAM_00; + u8 dam; if (is_addr_mac_addr_based(ipaddr, lladdr)) { dam = LOWPAN_IPHC_DAM_11; /* 0-bits */ -- 2.6.1