stop_machine: fix race with return value (fixes Bug #11989)
Bug #11989: Suspend failure on NForce4-based boards due to chanes in stop_machine We should not access active.fnret outside the lock; in theory the next stop_machine could overwrite it. Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Tested-by: N"Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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