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authorColin Ian King <colin.king@canonical.com>2020-10-06 21:12:43 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2020-10-13 01:37:44 +0300
commit825f8b0b17a89774fe62ca5b79823185ba0dc849 (patch)
tree1880dbc28c3fcdebc719fe14b6dc31065586212d
parent547848af58e3eb5a0d8b0a5e6433042f111788e2 (diff)
downloadlinux-825f8b0b17a89774fe62ca5b79823185ba0dc849.tar.xz
net/mlx5: Fix uininitialized pointer read on pointer attr
Currently the error exit path err_free kfree's attr. In the case where flow and parse_attr failed to be allocated this return path will free the uninitialized pointer attr, which is not correct. In the other case where attr fails to allocate attr does not need to be freed. So in both error exits via err_free attr should not be freed, so remove it. Addresses-Coverity: ("Uninitialized pointer read") Fixes: ff7ea04ad579 ("net/mlx5e: Fix potential null pointer dereference") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index a0c356987e1a..e3a968e9e2a0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -4569,7 +4569,6 @@ mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size,
err_free:
kfree(flow);
kvfree(parse_attr);
- kfree(attr);
return err;
}