[Toybox] [PATCH] mdev: Follow symbolic links in /sys

[Marius Adaskevicius]

On 2018-11-17 01:21, Rob Landley wrote:
> The problem with following symlinks is you can easily wind up in endless loops.
> What it should be looking at is /sys/class/*/*/dev and then the first * being
> block means mknod 'b' instead of 'c'.
>
> (Greg KH and Kay Sievers keep changing what's under sysfs and breaking code
> attempting to parse it. It's really annoying. I wrestled with them for _years_
> about it...)
I agree, although currently dirtree callback skips entries that are more 
than
two levels deep so endless loops should not be a problem.