May be just do sanitizing for elmpriv->descr?

something like change whitespace to "_" or just delete it?


Vitalij Satanivskij wrote:
VS> Jaakko Heinonen wrote:
VS> JH> On 2013-01-18, Alexander Motin wrote:
VS> JH> > > AM> > V>  panic: make_dev_alias_v: bad si_name (error=22 
si_name=enc@n5003048000bab37d/tpe0/slot@1/elmdesc@Slot 01/pass7)
VS> JH> 
VS> JH> > > AM> The panic is triggered by the check added by the recent r244584 
change.
VS> JH> > > AM> The space in device name came from the enclosure device, and I 
guess it
VS> JH> > > AM> may be quite often situation. Using human readable name 
supposed to help
VS> JH> > > AM> system administrators, but with spaces banned that may be a 
problem.
VS> JH> > > 
VS> JH> > > That's was not created by human, it was generated (I think so) by 
system. 
VS> JH> > 
VS> JH> > These strings are flashed into enclosure firmware by manufacturer.
VS> JH> 
VS> JH> You can't rely on that any string can be safely used as a device name
VS> JH> even if spaces were allowed. Consider for example duplicate names and
VS> JH> "../".
VS> JH> 
VS> JH> Where these names are generated? The original report didn't contain a
VS> JH> backtrace.
VS> 
VS> Yes. No backtrace, because of switching off all debuging in kernel. 
VS> 
VS> For now I can't use that's server for testing, but there are another 
servers waiting for upgrade.
VS> 
VS> I will try to reproduce problem with  kernel debuger enabled.
VS> 
VS> 
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