Sergey Gorenko
da343b6d90
IB/mlx5: Fix incorrect size of klms in the memory region
The value of mr->ndescs greater than mr->max_descs is set in the
function mlx5_ib_sg_to_klms() if sg_nents is greater than
mr->max_descs. This is an invalid value and it causes the
following error when registering mr:
mlx5_0:dump_cqe:276:(pid 193): dump error cqe
00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00000030: 00 00 00 00 0f 00 78 06 25 00 00 8b 08 1e 8f d3
Cc: <stable@vger.kernel.org> # 4.5
Fixes: b005d31647 ("mlx5: Add arbitrary sg list support")
Signed-off-by: Sergey Gorenko <sergeygo@mellanox.com>
Tested-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-02-28 12:10:32 -07:00
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