linux-kernel - Re: [PATCH] ipmi: Remove uses of return value of seq

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Message-ID: <54E4D26B.6020509@acm.org>
Date:	Wed, 18 Feb 2015 11:56:59 -0600
From:	Corey Minyard <minyard@....org>
To:	Joe Perches <joe@...ches.com>
CC:	openipmi-developer@...ts.sourceforge.net,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ipmi: Remove uses of return value of seq_printf

Thanks, queued for 3.20.

-corey

On 02/17/2015 01:10 PM, Joe Perches wrote:
> The seq_printf like functions will soon be changed to return void.
>
> Convert these uses to check seq_has_overflowed instead.
>
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  drivers/char/ipmi/ipmi_msghandler.c | 12 ++++++++----
>  drivers/char/ipmi/ipmi_si_intf.c    | 26 +++++++++++++++-----------
>  drivers/char/ipmi/ipmi_ssif.c       |  4 +++-
>  3 files changed, 26 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
> index bf95efc..fa0b941 100644
> --- a/drivers/char/ipmi/ipmi_msghandler.c
> +++ b/drivers/char/ipmi/ipmi_msghandler.c
> @@ -1997,7 +1997,9 @@ 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 seq_has_overflowed(m);
>  }
>  
>  static int smi_ipmb_proc_open(struct inode *inode, struct file *file)
> @@ -2016,9 +2018,11 @@ static int smi_version_proc_show(struct seq_file *m, void *v)
>  {
>  	ipmi_smi_t intf = m->private;
>  
> -	return seq_printf(m, "%u.%u\n",
> -		       ipmi_version_major(&intf->bmc->id),
> -		       ipmi_version_minor(&intf->bmc->id));
> +	seq_printf(m, "%u.%u\n",
> +		   ipmi_version_major(&intf->bmc->id),
> +		   ipmi_version_minor(&intf->bmc->id));
> +
> +	return seq_has_overflowed(m);
>  }
>  
>  static int smi_version_proc_open(struct inode *inode, struct file *file)
> diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
> index fd6110f..321ecb2 100644
> --- a/drivers/char/ipmi/ipmi_si_intf.c
> +++ b/drivers/char/ipmi/ipmi_si_intf.c
> @@ -2979,7 +2979,9 @@ static int smi_type_proc_show(struct seq_file *m, void *v)
>  {
>  	struct smi_info *smi = m->private;
>  
> -	return seq_printf(m, "%s\n", si_to_str[smi->si_type]);
> +	seq_printf(m, "%s\n", si_to_str[smi->si_type]);
> +
> +	return seq_has_overflowed(m);
>  }
>  
>  static int smi_type_proc_open(struct inode *inode, struct file *file)
> @@ -3041,16 +3043,18 @@ static int smi_params_proc_show(struct seq_file *m, void *v)
>  {
>  	struct smi_info *smi = m->private;
>  
> -	return seq_printf(m,
> -		       "%s,%s,0x%lx,rsp=%d,rsi=%d,rsh=%d,irq=%d,ipmb=%d\n",
> -		       si_to_str[smi->si_type],
> -		       addr_space_to_str[smi->io.addr_type],
> -		       smi->io.addr_data,
> -		       smi->io.regspacing,
> -		       smi->io.regsize,
> -		       smi->io.regshift,
> -		       smi->irq,
> -		       smi->slave_addr);
> +	seq_printf(m,
> +		   "%s,%s,0x%lx,rsp=%d,rsi=%d,rsh=%d,irq=%d,ipmb=%d\n",
> +		   si_to_str[smi->si_type],
> +		   addr_space_to_str[smi->io.addr_type],
> +		   smi->io.addr_data,
> +		   smi->io.regspacing,
> +		   smi->io.regsize,
> +		   smi->io.regshift,
> +		   smi->irq,
> +		   smi->slave_addr);
> +
> +	return seq_has_overflowed(m);
>  }
>  
>  static int smi_params_proc_open(struct inode *inode, struct file *file)
> diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
> index 74128e6..f6e378d 100644
> --- a/drivers/char/ipmi/ipmi_ssif.c
> +++ b/drivers/char/ipmi/ipmi_ssif.c
> @@ -1196,7 +1196,9 @@ static int ssif_detect(struct i2c_client *client, struct i2c_board_info *info)
>  
>  static int smi_type_proc_show(struct seq_file *m, void *v)
>  {
> -	return seq_puts(m, "ssif\n");
> +	seq_puts(m, "ssif\n");
> +
> +	return seq_has_overflowed(m);
>  }
>  
>  static int smi_type_proc_open(struct inode *inode, struct file *file)
>
>

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