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H A Dtraps.cdiff 7458e8b2ce62e65051fec0bcb14cac35d4f1118d Tue Nov 08 06:14:45 CST 2016 Nicholas Piggin <npiggin@gmail.com> powerpc: Fix second nested oops hang

When ending an oops, don't clear die_owner unless the nest count
went to zero. This prevents a second nested oops from hanging forever
on the die_lock.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>