summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMaor Gottlieb <maorg@nvidia.com>2021-01-20 17:41:18 +0200
committerSaeed Mahameed <saeedm@nvidia.com>2021-02-01 23:02:01 -0800
commita5bfe6b4675e0eefbd9418055b5cc6e89af27eb4 (patch)
tree9a1c3584aaf3a8715959153446a893f64ee295f6
parented5e83a3c02948dad9dc4e68fb4e535baa5da630 (diff)
downloadlinux-a5bfe6b4675e0eefbd9418055b5cc6e89af27eb4.tar.bz2
net/mlx5: Fix leak upon failure of rule creation
When creation of a new rule that requires allocation of an FTE fails, need to call to tree_put_node on the FTE in order to release its' resource. Fixes: cefc23554fc2 ("net/mlx5: Fix FTE cleanup") Signed-off-by: Maor Gottlieb <maorg@nvidia.com> Reviewed-by: Alaa Hleihel <alaa@nvidia.com> Reviewed-by: Mark Bloch <mbloch@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 0fcee702b808..ee4d86c1f436 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1760,6 +1760,7 @@ search_again_locked:
if (!fte_tmp)
continue;
rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte_tmp);
+ /* No error check needed here, because insert_fte() is not called */
up_write_ref_node(&fte_tmp->node, false);
tree_put_node(&fte_tmp->node, false);
kmem_cache_free(steering->ftes_cache, fte);
@@ -1812,6 +1813,8 @@ skip_search:
up_write_ref_node(&g->node, false);
rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte);
up_write_ref_node(&fte->node, false);
+ if (IS_ERR(rule))
+ tree_put_node(&fte->node, false);
return rule;
}
rule = ERR_PTR(-ENOENT);
@@ -1910,6 +1913,8 @@ search_again_locked:
up_write_ref_node(&g->node, false);
rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte);
up_write_ref_node(&fte->node, false);
+ if (IS_ERR(rule))
+ tree_put_node(&fte->node, false);
tree_put_node(&g->node, false);
return rule;