Re: [PATCH] net/mlx5: Fix dangling pointer access

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On Fri, 2021-12-03 at 03:15 +0500, Ameer Hamza wrote:
> Fix for dangling pointer access reported by Coverity.
> 
> Addresses-Coverity: 1494138 ("Use after free")
> 
> Signed-off-by: Ameer Hamza <amhamza.mgc@xxxxxxxxx>
> ---
>  drivers/net/ethernet/mellanox/mlx5/core/health.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c
> b/drivers/net/ethernet/mellanox/mlx5/core/health.c
> index 3ca998874c50..856023321972 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
> @@ -335,7 +335,7 @@ static int mlx5_health_try_recover(struct
> mlx5_core_dev *dev)
>  {
>         mlx5_core_warn(dev, "handling bad device here\n");
>         mlx5_handle_bad_state(dev);
> -       if (mlx5_health_wait_pci_up(dev)) {
> +       if (dev->timeouts && mlx5_health_wait_pci_up(dev)) {


the proper fix was already submitted and accepted to net:
https://lore.kernel.org/netdev/20211201063709.229103-11-saeed@xxxxxxxxxx/

Thank you





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