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authorMaor Gottlieb <maorg@mellanox.com>2017-04-06 10:49:12 +0300
committerSaeed Mahameed <saeedm@mellanox.com>2017-04-22 21:52:37 +0300
commit5ae85b0edaa597b063ee9d8f48b830519a6e0c0f (patch)
treec99404ea27b4f66dae729069f6f4a726e93d57e9
parent225aabaffe9ab42b2dd8770359442f019083275e (diff)
downloadlinux-5ae85b0edaa597b063ee9d8f48b830519a6e0c0f.tar.bz2
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: a6d51b68611e9 ('net/mlx5: Introduce blue flame register allocator) Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/uar.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 2e6b0f290ddc..222b25908d01 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -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);