tree 8210877bc950e9b09a37d65fd78b9fd204e5dc30
parent a497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee
author Sagi Grimberg <sagig@mellanox.com> 1402210859 +0300
committer Roland Dreier <roland@purestorage.com> 1404950338 -0700

mlx5_core: Fix possible race between mr tree insert/delete

In mlx5_core_destroy_mkey(), we must first remove the mr from the
radix tree and then destroy it.  Otherwise we might hit a race if the
key was reallocated and we attempted to insert it to the radix tree.

Also handle radix tree insert/delete failures.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Eli Cohen <elic@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>