Re: [PATCH] serial/8250: fix uninitialized warnings

[Alan Cox]

> hlist_for_each() can execute that loop zero times, in which case
> serial_unlink_irq_chain will dereference an uninitialised variable.
> 
> Presumably the list shouldn't be empty at this stage, but this
> is not particularly robust behaviour if that should happen..

And the only cases that can trip are the more important BUG_ON() checks.
You could remove the BUG_ON() calls and make it less robust but that
seems slightly well silly to me ?

Alan
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