Re: [PATCH net-next] netfilter: Remove uses of return value of seq_printf/puts/putc

From: Joe Perches
Date: Tue Feb 17 2015 - 20:19:13 EST


On Mon, 2015-02-16 at 17:25 -0800, Joe Perches wrote:
> These functions are soon going to return void so remove the
> return value uses.
>
> Convert the return value to test seq_has_overflowed() instead.

Please do not apply.
These need conversions not to "return seq_has_
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
> net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 4 +++-
> net/netfilter/nf_conntrack_acct.c | 8 +++++---
> net/netfilter/nf_conntrack_expect.c | 4 +++-
> net/netfilter/nfnetlink_log.c | 12 +++++++-----
> 4 files changed, 18 insertions(+), 10 deletions(-)
>
> diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
> index a460a87..b03b801 100644
> --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
> +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
> @@ -300,7 +300,9 @@ static int exp_seq_show(struct seq_file *s, void *v)
> __nf_ct_l3proto_find(exp->tuple.src.l3num),
> __nf_ct_l4proto_find(exp->tuple.src.l3num,
> exp->tuple.dst.protonum));
> - return seq_putc(s, '\n');
> + seq_putc(s, '\n');
> +
> + return seq_has_overflowed(s);
> }
>
> static const struct seq_operations exp_seq_ops = {
> diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c
> index a4b5e2a..4d291dc 100644
> --- a/net/netfilter/nf_conntrack_acct.c
> +++ b/net/netfilter/nf_conntrack_acct.c
> @@ -47,9 +47,11 @@ seq_print_acct(struct seq_file *s, const struct nf_conn *ct, int dir)
> return 0;
>
> counter = acct->counter;
> - return seq_printf(s, "packets=%llu bytes=%llu ",
> - (unsigned long long)atomic64_read(&counter[dir].packets),
> - (unsigned long long)atomic64_read(&counter[dir].bytes));
> + seq_printf(s, "packets=%llu bytes=%llu ",
> + (unsigned long long)atomic64_read(&counter[dir].packets),
> + (unsigned long long)atomic64_read(&counter[dir].bytes));
> +
> + return seq_has_overflowed(s);
> };
> EXPORT_SYMBOL_GPL(seq_print_acct);
>
> diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
> index 91a1837..1abf92f 100644
> --- a/net/netfilter/nf_conntrack_expect.c
> +++ b/net/netfilter/nf_conntrack_expect.c
> @@ -561,7 +561,9 @@ static int exp_seq_show(struct seq_file *s, void *v)
> helper->expect_policy[expect->class].name);
> }
>
> - return seq_putc(s, '\n');
> + seq_putc(s, '\n');
> +
> + return seq_has_overflowed(s);
> }
>
> static const struct seq_operations exp_seq_ops = {
> diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
> index 11d85b3..3e016ff 100644
> --- a/net/netfilter/nfnetlink_log.c
> +++ b/net/netfilter/nfnetlink_log.c
> @@ -998,11 +998,13 @@ static int seq_show(struct seq_file *s, void *v)
> {
> const struct nfulnl_instance *inst = v;
>
> - return seq_printf(s, "%5d %6d %5d %1d %5d %6d %2d\n",
> - inst->group_num,
> - inst->peer_portid, inst->qlen,
> - inst->copy_mode, inst->copy_range,
> - inst->flushtimeout, atomic_read(&inst->use));
> + seq_printf(s, "%5d %6d %5d %1d %5d %6d %2d\n",
> + inst->group_num,
> + inst->peer_portid, inst->qlen,
> + inst->copy_mode, inst->copy_range,
> + inst->flushtimeout, atomic_read(&inst->use));
> +
> + return seq_has_overflowed(s);
> }
>
> static const struct seq_operations nful_seq_ops = {
>
>
> --
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