From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Linus=20L=C3=BCssing?= Subject: [PATCH net-next] net: fix two sparse warnings introduced by IGMP/MLD parsing exports Date: Tue, 5 May 2015 00:19:35 +0200 Message-ID: <1430777976-4014-1-git-send-email-linus.luessing@c0d3.blue> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: =?UTF-8?q?Linus=20L=C3=BCssing?= To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "David S. Miller" Return-path: Received: from mail.passe0815.de ([188.40.49.9]:50585 "EHLO mail.passe0815.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751232AbbEDWTn (ORCPT ); Mon, 4 May 2015 18:19:43 -0400 Sender: netdev-owner@vger.kernel.org List-ID: > net/core/skbuff.c:4108:13: sparse: incorrect type in assignment (diff= erent base types) > net/ipv6/mcast_snoop.c:63 ipv6_mc_check_exthdrs() warn: unsigned 'off= set' is never less than zero. Introduced by 9afd85c9e4552b276e2f4cfefd622bdeeffbbf26 ("net: Export IGMP/MLD message validation code") Reported-by: kbuild test robot Signed-off-by: Linus L=C3=BCssing --- net/core/skbuff.c | 2 +- net/ipv6/mcast_snoop.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 1e4278a..b9eb90b 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4093,7 +4093,7 @@ struct sk_buff *skb_checksum_trimmed(struct sk_bu= ff *skb, { struct sk_buff *skb_chk; unsigned int offset =3D skb_transport_offset(skb); - int ret; + __sum16 ret; =20 skb_chk =3D skb_checksum_maybe_trim(skb, transport_len); if (!skb_chk) diff --git a/net/ipv6/mcast_snoop.c b/net/ipv6/mcast_snoop.c index 1a2cbc1..df8afe5 100644 --- a/net/ipv6/mcast_snoop.c +++ b/net/ipv6/mcast_snoop.c @@ -47,7 +47,7 @@ static int ipv6_mc_check_ip6hdr(struct sk_buff *skb) static int ipv6_mc_check_exthdrs(struct sk_buff *skb) { const struct ipv6hdr *ip6h; - unsigned int offset; + int offset; u8 nexthdr; __be16 frag_off; =20 --=20 1.7.10.4