[Toybox] [PATCH] lsof: explicit size for device major:minor buffer.

enh enh at google.com
Mon Sep 27 10:19:06 PDT 2021


ah, yeah, seq_put_hex_ll() takes a _minimum_ field width.

new patch attached that fixes that and adds a comment making the origin of
the 10 clearer. (both patches "work for me" since i don't actually have any
non-8-bit devices :-( )



On Sun, Sep 26, 2021 at 1:14 PM Rob Landley <rob at landley.net> wrote:

> On 9/25/21 8:55 PM, enh via Toybox wrote:
> > These are 2 hex digits each with a ':' between them in the kernel.
>
> Major has been 12 bits and minor 20 bits since 2003. (Git annotate on the
> header
> says https://github.com/mpe/linux-fullhistory/commit/7ae6a13832a2 .)
>
> So xxx:xxxxx, which is why I used a 10 byte buffer.
>
> Rob
>
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