netdev - [PATCH rdma-next 3/8] IB/mlx5: Warn on allocated MEMIC buffers during cleanup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190331164450.23618-4-leon@kernel.org>
Date:   Sun, 31 Mar 2019 19:44:45 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>
Cc:     Leon Romanovsky <leonro@...lanox.com>,
        RDMA mailing list <linux-rdma@...r.kernel.org>,
        Ariel Levkovich <lariel@...lanox.com>,
        Eli Cohen <eli@...lanox.com>, Mark Bloch <markb@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        linux-netdev <netdev@...r.kernel.org>
Subject: [PATCH rdma-next 3/8] IB/mlx5: Warn on allocated MEMIC buffers during cleanup

From: Ariel Levkovich <lariel@...lanox.com>

Adding a warning on allocated MEMIC buffers that weren't
freed prior to driver tear down.

Signed-off-by: Ariel Levkovich <lariel@...lanox.com>
Reviewed-by: Eli Cohen <eli@...lanox.com>
Reviewed-by: Mark Bloch <markb@...lanox.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
---
 drivers/infiniband/hw/mlx5/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 562826ecfbdd..23436feaa22f 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6005,6 +6005,8 @@ static void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
 		srcu_barrier(&dev->mr_srcu);
 		cleanup_srcu_struct(&dev->mr_srcu);
 	}
+
+	WARN_ON(!bitmap_empty(dev->dm.memic_alloc_pages, MLX5_MAX_MEMIC_PAGES));
 }
 
 static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
-- 
2.20.1