Joe Perches wrote:
> This patch removes from net/ netfilter files
> all the unnecessary return; statements that precede the
> last closing brace of void functions.
>
> It does not remove the returns that are immediately
> preceded by a label as gcc doesn't like that.
>
> Done via:
> $ grep -rP --include=*.[ch] -l "return;\n}" net/ | \
> xargs perl -i -e 'local $/ ; while (<>) { s/\n[ \t\n]+return;\n}/\n}/g; print; }'
>
Applied, but I changed the patch to keep the two return statements
below in otherwise empty function bodies since I consider that more
aesthetically pleasing.
> --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
> +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
> @@ -452,6 +452,5 @@ module_exit(nf_conntrack_l3proto_ipv4_fini);
>
> void need_ipv4_conntrack(void)
> {
> - return;
> }
> EXPORT_SYMBOL_GPL(need_ipv4_conntrack);
> diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
> index d7e8920..39efbe6 100644
> --- a/net/ipv4/netfilter/nf_nat_proto_gre.c
> +++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
> @@ -144,6 +144,5 @@ module_exit(nf_nat_proto_gre_fini);
>
> void nf_nat_need_gre(void)
> {
> - return;
> }
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