futex: Fix WARN_ON() test for UP

An update of the futex code had a

	WARN_ON(!spin_is_locked(q->lock_ptr))

But on UP, spin_is_locked() is always false, and will
trigger this warning, and even worse, it will exit the function
without doing the necessary work.

Converting this to a WARN_ON_SMP() fixes the problem.

Reported-by: Richard Weinberger <[email protected]>
Tested-by: Richard Weinberger <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Acked-by: Darren Hart <[email protected]>
Cc: Lai Jiangshan <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

0 files changed, 0 insertions, 0 deletions