diff mbox series

[net,2/8] net/mlx5: HWS, fixed double free in error flow of definer layout

Message ID 20241015093208.197603-3-tariqt@nvidia.com (mailing list archive)
State Accepted
Commit 5aa2184e29081665f915594bc6de9b7fee6e4883
Delegated to: Netdev Maintainers
Headers show
Series mlx5 misc fixes 2024-10-15 | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers fail 1 blamed authors not CCed: hamdani@nvidia.com; 3 maintainers not CCed: andrew+netdev@lunn.ch linux-rdma@vger.kernel.org hamdani@nvidia.com
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Tariq Toukan Oct. 15, 2024, 9:32 a.m. UTC 
From: Yevgeny Kliteynik <kliteyn@nvidia.com>

Fix error flow bug that could lead to double free of a buffer
during a failure to calculate a suitable definer layout.

Fixes: 74a778b4a63f ("net/mlx5: HWS, added definers handling")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Itamar Gozlan <igozlan@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
 .../mellanox/mlx5/core/steering/hws/mlx5hws_definer.c         | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c
index d566d2ddf424..3f4c58bada37 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws_definer.c
@@ -1925,7 +1925,7 @@  mlx5hws_definer_calc_layout(struct mlx5hws_context *ctx,
 	ret = hws_definer_conv_match_params_to_hl(ctx, mt, match_hl);
 	if (ret) {
 		mlx5hws_err(ctx, "Failed to convert items to header layout\n");
-		goto free_fc;
+		goto free_match_hl;
 	}
 
 	/* Find the match definer layout for header layout match union */
@@ -1946,7 +1946,7 @@  mlx5hws_definer_calc_layout(struct mlx5hws_context *ctx,
 
 free_fc:
 	kfree(mt->fc);
-
+free_match_hl:
 	kfree(match_hl);
 	return ret;
 }