tree a7fca9b130689e77a13168c5aacf2f426f5a2ab6
parent 31142a4ba617f5aa8aefdf1c65561ca30d43f360
author Jason Gunthorpe <jgg@nvidia.com> 1595843832 +0300
committer Jason Gunthorpe <jgg@nvidia.com> 1595861420 -0300

RDMA/mlx5: Fix prefetch memory leak if get_prefetchable_mr fails

destroy_prefetch_work() must always be called if the work is not going
to be queued. The num_sge also should have been set to i, not i-1
which avoids the condition where it shouldn't have been called in the
first place.

Cc: stable@vger.kernel.org
Fixes: fb985e278a30 ("RDMA/mlx5: Use SRCU properly in ODP prefetch")
Link: https://lore.kernel.org/r/20200727095712.495652-1-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>