From: Yevgeny Kliteynik Date: Wed, 29 Sep 2021 12:36:32 +0000 (+0300) Subject: net/mlx5: DR, Warn on failure to destroy objects due to refcount X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b54128275ef86dd699fcb23d7e6df21f251dc038;p=linux.git net/mlx5: DR, Warn on failure to destroy objects due to refcount Add WARN_ON_ONCE on refcount checks in SW steering object destructors Signed-off-by: Paul Blakey Signed-off-by: Yevgeny Kliteynik --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c index 07936841ce99b..f0faf04536d3a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c @@ -1792,7 +1792,7 @@ mlx5dr_action_create_dest_vport(struct mlx5dr_domain *dmn, int mlx5dr_action_destroy(struct mlx5dr_action *action) { - if (refcount_read(&action->refcount) > 1) + if (WARN_ON_ONCE(refcount_read(&action->refcount) > 1)) return -EBUSY; switch (action->action_type) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c index 97a41b2b36e5f..5fa7f9d6d8b95 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c @@ -431,7 +431,7 @@ int mlx5dr_domain_sync(struct mlx5dr_domain *dmn, u32 flags) int mlx5dr_domain_destroy(struct mlx5dr_domain *dmn) { - if (refcount_read(&dmn->refcount) > 1) + if (WARN_ON_ONCE(refcount_read(&dmn->refcount) > 1)) return -EBUSY; /* make sure resources are not used by the hardware */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c index 88288c02d6ead..12ebb7adea4d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c @@ -1069,7 +1069,7 @@ int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher) { struct mlx5dr_table *tbl = matcher->tbl; - if (refcount_read(&matcher->refcount) > 1) + if (WARN_ON_ONCE(refcount_read(&matcher->refcount) > 1)) return -EBUSY; mlx5dr_domain_lock(tbl->dmn); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c index 241ee49a24ba5..1d6b43a52c58b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c @@ -283,7 +283,7 @@ int mlx5dr_table_destroy(struct mlx5dr_table *tbl) { int ret; - if (refcount_read(&tbl->refcount) > 1) + if (WARN_ON_ONCE(refcount_read(&tbl->refcount) > 1)) return -EBUSY; mlx5dr_dbg_tbl_del(tbl);