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Date: Fri, 7 Nov 2008 13:28:14 +1100
From: Simon Horman <horms@...ge.net.au>
To: Harvey Harrison <harvey.harrison@...il.com>
Cc: David Miller <davem@...emloft.net>,
linux-netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] ipvs: oldlen, newlen should be be16, not be32
On Thu, Nov 06, 2008 at 06:12:05PM -0800, Harvey Harrison wrote:
> Noticed by sparse:
> net/netfilter/ipvs/ip_vs_proto_tcp.c:195:6: warning: incorrect type in argument 5 (different base types)
> net/netfilter/ipvs/ip_vs_proto_tcp.c:195:6: expected restricted __be16 [usertype] oldlen
> net/netfilter/ipvs/ip_vs_proto_tcp.c:195:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_tcp.c:196:6: warning: incorrect type in argument 6 (different base types)
> net/netfilter/ipvs/ip_vs_proto_tcp.c:196:6: expected restricted __be16 [usertype] newlen
> net/netfilter/ipvs/ip_vs_proto_tcp.c:196:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_tcp.c:270:6: warning: incorrect type in argument 5 (different base types)
> net/netfilter/ipvs/ip_vs_proto_tcp.c:270:6: expected restricted __be16 [usertype] oldlen
> net/netfilter/ipvs/ip_vs_proto_tcp.c:270:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_tcp.c:271:6: warning: incorrect type in argument 6 (different base types)
> net/netfilter/ipvs/ip_vs_proto_tcp.c:271:6: expected restricted __be16 [usertype] newlen
> net/netfilter/ipvs/ip_vs_proto_tcp.c:271:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_udp.c:206:6: warning: incorrect type in argument 5 (different base types)
> net/netfilter/ipvs/ip_vs_proto_udp.c:206:6: expected restricted __be16 [usertype] oldlen
> net/netfilter/ipvs/ip_vs_proto_udp.c:206:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_udp.c:207:6: warning: incorrect type in argument 6 (different base types)
> net/netfilter/ipvs/ip_vs_proto_udp.c:207:6: expected restricted __be16 [usertype] newlen
> net/netfilter/ipvs/ip_vs_proto_udp.c:207:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_udp.c:282:6: warning: incorrect type in argument 5 (different base types)
> net/netfilter/ipvs/ip_vs_proto_udp.c:282:6: expected restricted __be16 [usertype] oldlen
> net/netfilter/ipvs/ip_vs_proto_udp.c:282:6: got restricted __be32 [usertype] <noident>
> net/netfilter/ipvs/ip_vs_proto_udp.c:283:6: warning: incorrect type in argument 6 (different base types)
> net/netfilter/ipvs/ip_vs_proto_udp.c:283:6: expected restricted __be16 [usertype] newlen
> net/netfilter/ipvs/ip_vs_proto_udp.c:283:6: got restricted __be32 [usertype] <noident>
>
> Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
I suspect these were introduced by me :-(
Acked-by: Simon Horman <horms@...ge.net.au>
> ---
> net/netfilter/ipvs/ip_vs_proto_tcp.c | 8 ++++----
> net/netfilter/ipvs/ip_vs_proto_udp.c | 8 ++++----
> 2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
> index dd4566e..8cba418 100644
> --- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
> +++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
> @@ -192,8 +192,8 @@ tcp_snat_handler(struct sk_buff *skb,
> /* Adjust TCP checksums */
> if (skb->ip_summed == CHECKSUM_PARTIAL) {
> tcp_partial_csum_update(cp->af, tcph, &cp->daddr, &cp->vaddr,
> - htonl(oldlen),
> - htonl(skb->len - tcphoff));
> + htons(oldlen),
> + htons(skb->len - tcphoff));
> } else if (!cp->app) {
> /* Only port and addr are changed, do fast csum update */
> tcp_fast_csum_update(cp->af, tcph, &cp->daddr, &cp->vaddr,
> @@ -267,8 +267,8 @@ tcp_dnat_handler(struct sk_buff *skb,
> */
> if (skb->ip_summed == CHECKSUM_PARTIAL) {
> tcp_partial_csum_update(cp->af, tcph, &cp->daddr, &cp->vaddr,
> - htonl(oldlen),
> - htonl(skb->len - tcphoff));
> + htons(oldlen),
> + htons(skb->len - tcphoff));
> } else if (!cp->app) {
> /* Only port and addr are changed, do fast csum update */
> tcp_fast_csum_update(cp->af, tcph, &cp->vaddr, &cp->daddr,
> diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
> index 6eb6039..d2930a7 100644
> --- a/net/netfilter/ipvs/ip_vs_proto_udp.c
> +++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
> @@ -203,8 +203,8 @@ udp_snat_handler(struct sk_buff *skb,
> */
> if (skb->ip_summed == CHECKSUM_PARTIAL) {
> udp_partial_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr,
> - htonl(oldlen),
> - htonl(skb->len - udphoff));
> + htons(oldlen),
> + htons(skb->len - udphoff));
> } else if (!cp->app && (udph->check != 0)) {
> /* Only port and addr are changed, do fast csum update */
> udp_fast_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr,
> @@ -279,8 +279,8 @@ udp_dnat_handler(struct sk_buff *skb,
> */
> if (skb->ip_summed == CHECKSUM_PARTIAL) {
> udp_partial_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr,
> - htonl(oldlen),
> - htonl(skb->len - udphoff));
> + htons(oldlen),
> + htons(skb->len - udphoff));
> } else if (!cp->app && (udph->check != 0)) {
> /* Only port and addr are changed, do fast csum update */
> udp_fast_csum_update(cp->af, udph, &cp->vaddr, &cp->daddr,
> --
> 1.6.0.3.756.gb776d
>
>
>
> --
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--
Simon Horman
VA Linux Systems Japan K.K., Sydney, Australia Satellite Office
H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en
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