On Thu, Feb 28, 2013 at 11:17:25PM +0100, Jiri Slaby wrote: > On 02/28/2013 11:04 PM, Jiri Slaby wrote: > > 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... > > Fix attached.
Thanks, now applied. greg k-h -- 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/
