linux-kernel - Re: fs/seq_file: Replace a seq_printf() call by seq_puts() in seq_hex

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Date:   Wed, 3 Jul 2019 13:01:30 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Enrico Weigelt <lkml@...ux.net>, linux-fsdevel@...r.kernel.org
Cc:     Alexander Viro <viro@...iv.linux.org.uk>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: fs/seq_file: Replace a seq_printf() call by seq_puts() in
 seq_hex_dump()

> Looks good,

Thanks for your feedback.

> but have you checked whether "m" could ever be NULL

I wonder about this enquiry.

This function parameter should be valid as usual.
Thus it should not be a null pointer under ordinary conditions.

> and whether seq_puts() has a check for that ?

These output functions do not provide an explicit sanity check for their first parameter
so far.

Regards,
Markus