Messages in this thread | | | Date | Wed, 18 May 2011 12:55:14 -0700 | From | Greg KH <> | Subject | Re: [PATCH 2/2] drivercore: revert addition of of_match to struct device |
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On Wed, May 18, 2011 at 01:21:05PM -0600, Grant Likely wrote: > Commit b826291c, "drivercore/dt: add a match table pointer to struct > device" added an of_match pointer to struct device to cache the > of_match_table entry discovered at driver match time. This was unsafe > because matching is not an atomic operation with probing a driver. If > two or more drivers are attempted to be matched to a driver at the > same time, then the cached matching entry pointer could get > overwritten. > > This patch reverts the of_match cache pointer and reworks all users to > call of_match_device() directly instead. > > Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
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