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net/mlx5: Fix UAR memory leak 

When UAR is released, we deallocate the device resource, but
don't unmmap the UAR mapping memory.
Fix the leak by unmapping this memory.

Fixes: a6d51b6861 ('net/mlx5: Introduce blue flame register allocator)
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
hifive-unleashed-5.1
Maor Gottlieb 2017-04-06 10:49:12 +03:00 committed by Saeed Mahameed
parent 225aabaffe
commit 5ae85b0eda
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/mellanox/mlx5/core/uar.c
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@ -87,6 +87,7 @@ static void up_rel_func(struct kref *kref)
struct mlx5_uars_page *up = container_of(kref, struct mlx5_uars_page, ref_count);
list_del(&up->list);
iounmap(up->map);
if (mlx5_cmd_free_uar(up->mdev, up->index))
mlx5_core_warn(up->mdev, "failed to free uar index %d\n", up->index);
kfree(up->reg_bitmap);