lkml.org 
[lkml]   [2014]   [Nov]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -next 2/2] seq_putc: Convert to return void and convert uses too.
Ok by me for the IPMI part.

Reviewed-by: Corey Minyard <cminyard@mvista.com>

On 11/10/2014 12:58 PM, Joe Perches wrote:
> Using the return value of seq_putc is error-prone, so
> make it return void instead.
>
> Reverse the logic in seq_putc to make it like seq_puts.
>
> Signed-off-by: Joe Perches <joe@perches.com>
> ---
> drivers/char/ipmi/ipmi_msghandler.c | 4 +++-
> fs/seq_file.c | 11 ++++++-----
> include/linux/seq_file.h | 2 +-
> net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 4 +++-
> net/netfilter/nf_conntrack_expect.c | 4 +++-
> 5 files changed, 16 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
> index f816211..c12fb30 100644
> --- a/drivers/char/ipmi/ipmi_msghandler.c
> +++ b/drivers/char/ipmi/ipmi_msghandler.c
> @@ -1953,7 +1953,9 @@ static int smi_ipmb_proc_show(struct seq_file *m, void *v)
> seq_printf(m, "%x", intf->channels[0].address);
> for (i = 1; i < IPMI_MAX_CHANNELS; i++)
> seq_printf(m, " %x", intf->channels[i].address);
> - return seq_putc(m, '\n');
> + seq_putc(m, '\n');
> +
> + return 0;
> }
>
> static int smi_ipmb_proc_open(struct inode *inode, struct file *file)
> diff --git a/fs/seq_file.c b/fs/seq_file.c
> index e6be05a..5ca5af9 100644
> --- a/fs/seq_file.c
> +++ b/fs/seq_file.c
> @@ -673,13 +673,14 @@ int seq_open_private(struct file *filp, const struct seq_operations *ops,
> }
> EXPORT_SYMBOL(seq_open_private);
>
> -int seq_putc(struct seq_file *m, char c)
> +void seq_putc(struct seq_file *m, char c)
> {
> - if (m->count < m->size) {
> - m->buf[m->count++] = c;
> - return 0;
> + if (m->count >= m->size) {
> + seq_set_overflow(m);
> + return;
> }
> - return -1;
> +
> + m->buf[m->count++] = c;
> }
> EXPORT_SYMBOL(seq_putc);
>
> diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
> index 9b02cb6..c1e47ff 100644
> --- a/include/linux/seq_file.h
> +++ b/include/linux/seq_file.h
> @@ -115,7 +115,7 @@ ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
> loff_t seq_lseek(struct file *, loff_t, int);
> int seq_release(struct inode *, struct file *);
> int seq_escape(struct seq_file *, const char *, const char *);
> -int seq_putc(struct seq_file *m, char c);
> +void seq_putc(struct seq_file *m, char c);
> void seq_puts(struct seq_file *m, const char *s);
> int seq_write(struct seq_file *seq, const void *data, size_t len);
>
> diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
> index a460a87..f0dfe92 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 0;
> }
>
> static const struct seq_operations exp_seq_ops = {
> diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
> index 91a1837..7a17070 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 0;
> }
>
> static const struct seq_operations exp_seq_ops = {



\
 
 \ /
  Last update: 2014-11-12 17:01    [W:0.083 / U:3.552 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site