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Date: Tue, 4 Jun 2013 18:34:42 +0900 From: Lorenzo Colitti <lorenzo@...gle.com> To: Emil Goode <emilgoode@...il.com> Cc: David Miller <davem@...emloft.net>, kuznet@....inr.ac.ru, jmorris@...ei.org, YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>, kaber@...sh.net, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org Subject: Re: [PATCH] net: ipv6: Fix incompatible pointer type warning On Mon, Jun 3, 2013 at 9:21 PM, Emil Goode <emilgoode@...il.com> wrote: > This fixes the sparse warning below about assignment from > incompatible pointer type. > > In the following commit the third argument in function ipv6_chk_addr > was changed to const and struct nf_ipv6_ops was introduced with > the third argument of .chk_addr beeing const. > > 2a7851bffb008ff4882eee673da74718997b4265 > ("netfilter: add nf_ipv6_ops hook to fix xt_addrtype with IPv6") > > The below commit introduced the warning as the third argument of > dummy_ipv6_chk_addr and .ipv6_chk_addr in struct pingv6_ops is > missing a const. > > 6d0bfe22611602f36617bc7aa2ffa1bbb2f54c67 > ("net: ipv6: Add IPv6 support to the ping socket.") > > Sparse output: > > net/ipv6/ping.c: In function ‘pingv6_init’: > net/ipv6/ping.c:87:27: warning: > assignment from incompatible pointer type [enabled by default] > > Signed-off-by: Emil Goode <emilgoode@...il.com> > --- > include/net/ping.h | 2 +- > net/ipv6/ping.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/net/ping.h b/include/net/ping.h > index 9242fa0..2db4860 100644 > --- a/include/net/ping.h > +++ b/include/net/ping.h > @@ -38,7 +38,7 @@ struct pingv6_ops { > void (*ipv6_icmp_error)(struct sock *sk, struct sk_buff *skb, int err, > __be16 port, u32 info, u8 *payload); > int (*ipv6_chk_addr)(struct net *net, const struct in6_addr *addr, > - struct net_device *dev, int strict); > + const struct net_device *dev, int strict); > }; > > struct ping_table { > diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c > index a6462d6..c2e9669 100644 > --- a/net/ipv6/ping.c > +++ b/net/ipv6/ping.c > @@ -73,7 +73,7 @@ int dummy_icmpv6_err_convert(u8 type, u8 code, int *err) > void dummy_ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, > __be16 port, u32 info, u8 *payload) {} > int dummy_ipv6_chk_addr(struct net *net, const struct in6_addr *addr, > - struct net_device *dev, int strict) > + const struct net_device *dev, int strict) > { > return 0; > } > -- > 1.7.10.4 > Acked-by: Lorenzo Colitti <lorenzo@...gle.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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