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stop_machine: fix race with return value (fixes Bug #11989)
authorRusty Russell <rusty@rustcorp.com.au>
Sun, 16 Nov 2008 21:52:18 +0000 (08:22 +1030)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 16 Nov 2008 23:09:52 +0000 (15:09 -0800)
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: Rusty Russell <rusty@rustcorp.com.au>
Tested-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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