net/mlx5: HWS, fixed error flow return values of some functions

Fixed all the '-ret' returns in error flow of functions to 'ret',
as the internal functions are already returning negative error values
(e.g. -EINVAL)
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20240911201757.1505453-3-saeed@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_matcher.c

@@ -967,7 +967,7 @@ int mlx5hws_matcher_attach_at(struct mlx5hws_matcher *matcher,
 
 	ret = hws_matcher_check_and_process_at(matcher, at);
 	if (ret)
-		return -ret;
+		return ret;
 
 	required_stes = at->num_of_action_stes - (!is_jumbo || at->only_term);
 	if (matcher->action_ste[MLX5HWS_ACTION_STE_IDX_ANY].max_stes < required_stes) {

drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_rule.c

@@ -751,11 +751,11 @@ int mlx5hws_rule_destroy(struct mlx5hws_rule *rule,
 
 	ret = hws_rule_enqueue_precheck(rule, attr);
 	if (unlikely(ret))
-		return -ret;
+		return ret;
 
 	ret = hws_rule_destroy_hws(rule, attr);
 
-	return -ret;
+	return ret;
 }
 
 int mlx5hws_rule_action_update(struct mlx5hws_rule *rule,
@@ -767,7 +767,7 @@ int mlx5hws_rule_action_update(struct mlx5hws_rule *rule,
 
 	ret = hws_rule_enqueue_precheck_update(rule, attr);
 	if (unlikely(ret))
-		return -ret;
+		return ret;
 
 	ret = hws_rule_create_hws(rule,
 				  attr,
@@ -776,5 +776,5 @@ int mlx5hws_rule_action_update(struct mlx5hws_rule *rule,
 				  at_idx,
 				  rule_actions);
 
-	return -ret;
+	return ret;
 }

drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_table.c

@@ -489,5 +489,5 @@ int mlx5hws_table_set_default_miss(struct mlx5hws_table *tbl,
 	return 0;
 out:
 	mutex_unlock(&ctx->ctrl_lock);
-	return -ret;
+	return ret;
 }