net/mlx5e: IPoIB, Fix access to invalid memory address

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When cleaning rdma netdevice we need to save the mdev pointer
because priv is released when we release netdev.

This bug was found using the kernel address sanitizer (KASAN).
use-after-free in mlx5_rdma_netdev_free+0xe3/0x100 [mlx5_core]

Fixes: 48935bbb7a ("net/mlx5e: IPoIB, Add netdevice profile skeleton")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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Roi Dayan 2017-08-21 12:04:50 +03:00 • committed by Saeed Mahameed

parent c2cc187e53

commit 38e8a5c040

1 changed files with 2 additions and 1 deletions

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drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c

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