IB/mlx4: Fix potential deadlock when sending mad to wire
commit 90c1d8b6 upstream. send_mad_to_wire takes the same spinlock that is taken in the interrupt context. Therefore, it needs irqsave/restore. Fixes: b9c5d6a6 ('IB/mlx4: Add multicast group (MCG) paravirtualization for SR-IOV') Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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