Re: [PATCH] viacam: Don't explode if pci_find_bus() returns NULL

[Jonathan Corbet]

On Sun, 3 Jul 2011 09:54:12 +0200 (CEST)
Jesper Juhl <jj@xxxxxxxxxxxxx> wrote:

> In the unlikely case that pci_find_bus() should return NULL
> viacam_serial_is_enabled() is going to dereference a NULL pointer and
> blow up. Better safe than sorry, so be defensive and check the
> pointer.

Extremely unlikely - that function is only called on a single architecture
where the bus is known to exist.  Still, no harm can come from checking.

Acked-by: Jonathan Corbet <corbet@xxxxxxx>

Thanks,

jon
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