Messages in this thread | | | Date | Mon, 8 Jul 2002 17:52:13 -0600 (MDT) | From | Thunder from the hill <> | Subject | Re: Driverfs updates |
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Hi,
On Tue, 9 Jul 2002, Keith Owens wrote: > struct device_driver * get_driver(struct device_driver * drv) > { + struct device_driver *ret = NULL; + + if (!drv) + goto out; + lock_somehow(drv->lock); + if (drv->owner) > if (!try_inc_mod_count(drv->owner)) + goto out; + + ret = drv; + out: + unlock_somehow(drv->lock); + return ret; > } > > I suggest you add a global driverfs_lock.
Better than locking all kernel threads, isn't it?
Regards, Thunder -- (Use http://www.ebb.org/ungeek if you can't decode) ------BEGIN GEEK CODE BLOCK------ Version: 3.12 GCS/E/G/S/AT d- s++:-- a? C++$ ULAVHI++++$ P++$ L++++(+++++)$ E W-$ N--- o? K? w-- O- M V$ PS+ PE- Y- PGP+ t+ 5+ X+ R- !tv b++ DI? !D G e++++ h* r--- y- ------END GEEK CODE BLOCK------
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