IB/mlx5: Fix kernel to user leak prevention logic

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The logic was broken as it failed to update the response length for
architectures with PAGE_SIZE larger than 4kB. As a result further
extension of the ucontext response struct would fail.

Fixes: d69e3bcf79 ('IB/mlx5: Mmap the HCA's core clock register to user-space')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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Eli Cohen 2017-01-03 23:55:19 +02:00 • committed by Leon Romanovsky

parent 525dfa2cdc

commit de8d6e02ef

1 changed files with 7 additions and 7 deletions

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drivers/infiniband/hw/mlx5/main.c

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