Re: [PATCH 2/5] Char: isicom, fix probe race

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On Sat, 16 Dec 2006 02:09:48 +0100 (CET)
Jiri Slaby <[email protected]> wrote:

> isicom, fix probe race
> 
> Fix two race conditions in the probe function with mutex.
> 
> ...
>
>  static int __devinit isicom_probe(struct pci_dev *pdev,
>  	const struct pci_device_id *ent)
>  {
> +	static DEFINE_MUTEX(probe_lock);

hm.  How can isicom_probe() race with itself?  Even with the dreaded
multithreaded-pci-probing?  It's only called once, by a single thread.

Confused.
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