Re: [lm-sensors] [patch 1/5] hwmon: Convert fschmd tounlocked_ioctl

From: Thomas Gleixner
Date: Fri Nov 06 2009 - 10:58:29 EST

On Fri, 6 Nov 2009, Jean Delvare wrote:
> I'm not sure why we need to hold the mutex here? My understanding is
> that watchdog_data_mutex protects watchdog_data_list and each
> watchdog's kref. And the above code doesn't touch either.
> What I am more worried about is why ident is declared static. This
> looks like a bug to me. Instead of abusing watchdog_data_mutex to
> workaround this, I'd rather remove the "static". I guess that the
> current code happens to work because neither data->revision nor
> nowayout can change over time, but this looks needlessly fragile.

Right, we can change ident to be non static instead of abusing the
mutex. Stupid me. Will fix.


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