Andrew Morton wrote:
> 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.
Yeah, I'm a little bit too now. One of developers want me to do this some time
ago and I did it without deep thinking about that. Now, I did it again and as
you wrote, it's completely unreasonable. Please, throw it
(char-isicom-fix-probe-race.patch) away.
thanks,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
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