From: Cosmin Ratiu <cratiu@nvidia.com>
Date: Tue, 3 Dec 2024 20:49:15 +0000 (+0200)
Subject: net/mlx5: HWS: Fix memory leak in mlx5hws_definer_calc_layout
X-Git-Tag: next-20241205~127^2~3^2~5
X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=530b69a26952c95ffc9e6dcd1cff6f249032780a;p=linux%2F.git

net/mlx5: HWS: Fix memory leak in mlx5hws_definer_calc_layout

It allocates a match template, which creates a compressed definer fc
struct, but that is not deallocated.

This commit fixes that.

Fixes: 74a778b4a63f ("net/mlx5: HWS, added definers handling")
Signed-off-by: Cosmin Ratiu <cratiu@nvidia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241203204920.232744-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c
index c00010ca86bd..9fb059a6511f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/bwc_complex.c
@@ -39,6 +39,8 @@ bool mlx5hws_bwc_match_params_is_complex(struct mlx5hws_context *ctx,
 		} else {
 			mlx5hws_err(ctx, "Failed to calculate matcher definer layout\n");
 		}
+	} else {
+		kfree(mt->fc);
 	}
 
 	mlx5hws_match_template_destroy(mt);