Re: [PATCH 24/27] tracing: Remove use of seq_printf return value

From: Steven Rostedt
Date: Sat Feb 21 2015 - 22:53:51 EST


On Sat, 21 Feb 2015 18:53:51 -0800
Joe Perches <joe@xxxxxxxxxxx> wrote:

> The seq_printf return value, because it's frequently misused,
> will eventually be converted to void.
>
> See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
> seq_has_overflowed() and make public")
>
> Miscellanea:
>
> o Remove unused return value from trace_lookup_stack

Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

-- Steve

>
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
> kernel/trace/trace_stack.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
> index c3e4fcf..3f34496 100644
> --- a/kernel/trace/trace_stack.c
> +++ b/kernel/trace/trace_stack.c
> @@ -327,11 +327,11 @@ static void t_stop(struct seq_file *m, void *p)
> local_irq_enable();
> }
>
> -static int trace_lookup_stack(struct seq_file *m, long i)
> +static void trace_lookup_stack(struct seq_file *m, long i)
> {
> unsigned long addr = stack_dump_trace[i];
>
> - return seq_printf(m, "%pS\n", (void *)addr);
> + seq_printf(m, "%pS\n", (void *)addr);
> }
>
> static void print_disabled(struct seq_file *m)

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