On 02/27/2013 12:58 AM, Greg Kroah-Hartman wrote: > 3.0-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Maciej Sosnowski <[email protected]> > > commit c419fcfd071cf34ba00f9f65282583772d2655e7 upstream. > > When providers get blocked unregister_dca_providers() is called ending up > with dca_providers and dca_domain lists emptied. Dca should be prevented from > trying to unregister any provider if dca_domain list is found empty. > > Reported-by: Jiang Liu <[email protected]> > Tested-by: Gaohuai Han <[email protected]> > Signed-off-by: Maciej Sosnowski <[email protected]> > Signed-off-by: Dan Williams <[email protected]> > Signed-off-by: Greg Kroah-Hartman <[email protected]> > > --- > drivers/dca/dca-core.c | 5 +++++ > 1 file changed, 5 insertions(+) > > --- a/drivers/dca/dca-core.c > +++ b/drivers/dca/dca-core.c > @@ -409,6 +409,11 @@ void unregister_dca_provider(struct dca_ > > spin_lock_irqsave(&dca_lock, flags); > > + if (list_empty(&dca_domains)) { > + raw_spin_unlock_irqrestore(&dca_lock, flags);
Hi, this is an incorrect backport. It should be spin_unlock_irqrestore obviously... -- js suse labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
