Unverified Commit 8ade6cc7 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!8627 [sync] PR-8561: mlxsw: spectrum_acl_tcam: Fix possible use-after-free during activity update 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/8561 
 
PR sync from: Zhang Changzhong <zhangchangzhong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/GIE2FRPYABVR5ABN4JRXRFRGE4BZLHJA/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q9HS 
 
Link:https://gitee.com/openeuler/kernel/pulls/8627

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 4d023d47 454d293b

drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c

+8 −2
Original line number Diff line number Diff line
@@ -1187,8 +1187,14 @@ mlxsw_sp_acl_tcam_ventry_activity_get(struct mlxsw_sp *mlxsw_sp, 
				      struct mlxsw_sp_acl_tcam_ventry *ventry,

				      bool *activity)

{

	return mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp,

						    ventry->entry, activity);

	struct mlxsw_sp_acl_tcam_vregion *vregion = ventry->vchunk->vregion;

	int err;



	mutex_lock(&vregion->lock);

	err = mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp, ventry->entry,

						   activity);

	mutex_unlock(&vregion->lock);

	return err;

}



static int