Re: [dpdk-dev] [PATCH 2/3] net/ixgbe: initialise nb_representor_ports value

["Ananyev, Konstantin" <konstantin.ananyev@intel.com>]

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Declan Doherty
> Sent: Monday, April 30, 2018 4:33 PM
> To: dev@dpdk.org
> Cc: Doherty, Declan <declan.doherty@intel.com>
> Subject: [dpdk-dev] [PATCH 2/3] net/ixgbe: initialise nb_representor_ports value
> 
> Initialise rte_ethdev_args nb_representor_ports to zero to handle
> the case where no devargs are passed to the IXGBE PF on
> device probe, so that there is no invalid attempts to create
> representor ports.
> 
> Coverity Issue: 277231
> Fixes: cf80ba6e2038 ("net/ixgbe: add support for representor ports")
> 
> Signed-off-by: Declan Doherty <declan.doherty@intel.com>
> ---
>  drivers/net/ixgbe/ixgbe_ethdev.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
> index 0ccf55dc8..283dd7e49 100644
> --- a/drivers/net/ixgbe/ixgbe_ethdev.c
> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c
> @@ -1725,8 +1725,7 @@ eth_ixgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
>  		struct rte_pci_device *pci_dev)
>  {
>  	char name[RTE_ETH_NAME_MAX_LEN];
> -
> -	struct rte_eth_devargs eth_da;
> +	struct rte_eth_devargs eth_da = { .nb_representor_ports = 0 };
>  	int i, retval;
> 
>  	if (pci_dev->device.devargs) {

Might be a bit better:
If (pci_dev->device.devargs) { rte_eth_devargs_parse(...);...}
else memset(&eth_da, 0, sizeof(eth_da));
to be more consistent.
BTW, I think rte_eth_devargs_parse() need to add formal check for input parameters.
Konstantin 



> --
> 2.14.3