Re: [PATCH 06/27] power: wakeup: Remove use of seq_printf return value

From: Joe Perches
Date: Sun Feb 22 2015 - 16:53:09 EST

On Sun, 2015-02-22 at 22:38 +0100, Pavel Machek wrote:
> On Sat 2015-02-21 18:53:33, Joe Perches 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")
> You've just removed overflow handling from
> print_wakeup_source_stats.
> Can you explain why that is good idea?

If overflow occurs, the seq_file subsystem allocates
a bigger buffer and calls the show function again.

See Al's comment in the 0/n patch and here:

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