[PATCH 2/2] net/iavf: fix crash on app exit on FreeBSD

[Medvedkin, Vladimir]

Acked-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>

On 10/03/2025 13:11, Bruce Richardson wrote:
> With the fallback interrupt path now enabled on FreeBSD there are
> segmentation faults on app exit, due to the alarm interrupt trying to
> access invalid pointers.  Add checks for null to fix these crashes.
>
> Fixes: cd3b124955d4 ("net/iavf: enable interrupt polling")
> Cc: stable at dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
>   drivers/net/intel/iavf/iavf_ethdev.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/drivers/net/intel/iavf/iavf_ethdev.c b/drivers/net/intel/iavf/iavf_ethdev.c
> index 1ab84b0bfc..2335746f04 100644
> --- a/drivers/net/intel/iavf/iavf_ethdev.c
> +++ b/drivers/net/intel/iavf/iavf_ethdev.c
> @@ -2698,6 +2698,9 @@ void
>   iavf_dev_alarm_handler(void *param)
>   {
>   	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
> +	if (dev == NULL || dev->data == NULL || dev->data->dev_private == NULL)
> +		return;
> +
>   	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
>   	uint32_t icr0;
>   

-- 
Regards,
Vladimir