On Thu, Mar 18, 2021 at 5:17 PM Ajit Khaparde
<ajit.khapa...@broadcom.com> wrote:
>
> Check return value of rte_kvargs_process()
>
> Coverity issue: 357765
>
> Fixes: ba404aacc5cf ("net/bnxt: set maximum flow count")
> Fixes: 02a95625fe9c ("net/bnxt: add flow stats in extended stats")
> Fixes: 7b0940653720 ("net/bnxt: support host memory based TruFlow")
>
> Cc: sta...@dpdk.org
>
> Signed-off-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
> Reviewed-by: Lance Richardson <lance.richard...@broadcom.com>
Patch applied to dpdk-next-net-brcm.
> ---
> drivers/net/bnxt/bnxt_ethdev.c | 31 +++++++++++++++++++++----------
> 1 file changed, 21 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
> index 1990d65c29..930e7e83f4 100644
> --- a/drivers/net/bnxt/bnxt_ethdev.c
> +++ b/drivers/net/bnxt/bnxt_ethdev.c
> @@ -5477,40 +5477,49 @@ bnxt_parse_devarg_rep_fc_f2r(__rte_unused const char
> *key,
> return 0;
> }
>
> -static void
> +static int
> bnxt_parse_dev_args(struct bnxt *bp, struct rte_devargs *devargs)
> {
> struct rte_kvargs *kvlist;
> + int ret;
>
> if (devargs == NULL)
> - return;
> + return 0;
>
> kvlist = rte_kvargs_parse(devargs->args, bnxt_dev_args);
> if (kvlist == NULL)
> - return;
> + return -EINVAL;
>
> /*
> * Handler for "truflow" devarg.
> * Invoked as for ex: "-a 0000:00:0d.0,host-based-truflow=1"
> */
> - rte_kvargs_process(kvlist, BNXT_DEVARG_TRUFLOW,
> - bnxt_parse_devarg_truflow, bp);
> + ret = rte_kvargs_process(kvlist, BNXT_DEVARG_TRUFLOW,
> + bnxt_parse_devarg_truflow, bp);
> + if (ret)
> + goto err;
>
> /*
> * Handler for "flow_xstat" devarg.
> * Invoked as for ex: "-a 0000:00:0d.0,flow_xstat=1"
> */
> - rte_kvargs_process(kvlist, BNXT_DEVARG_FLOW_XSTAT,
> - bnxt_parse_devarg_flow_xstat, bp);
> + ret = rte_kvargs_process(kvlist, BNXT_DEVARG_FLOW_XSTAT,
> + bnxt_parse_devarg_flow_xstat, bp);
> + if (ret)
> + goto err;
>
> /*
> * Handler for "max_num_kflows" devarg.
> * Invoked as for ex: "-a 000:00:0d.0,max_num_kflows=32"
> */
> - rte_kvargs_process(kvlist, BNXT_DEVARG_MAX_NUM_KFLOWS,
> - bnxt_parse_devarg_max_num_kflows, bp);
> + ret = rte_kvargs_process(kvlist, BNXT_DEVARG_MAX_NUM_KFLOWS,
> + bnxt_parse_devarg_max_num_kflows, bp);
> + if (ret)
> + goto err;
>
> +err:
> rte_kvargs_free(kvlist);
> + return ret;
> }
>
> static int bnxt_alloc_switch_domain(struct bnxt *bp)
> @@ -5645,7 +5654,9 @@ bnxt_dev_init(struct rte_eth_dev *eth_dev, void *params
> __rte_unused)
> bp = eth_dev->data->dev_private;
>
> /* Parse dev arguments passed on when starting the DPDK application.
> */
> - bnxt_parse_dev_args(bp, pci_dev->device.devargs);
> + rc = bnxt_parse_dev_args(bp, pci_dev->device.devargs);
> + if (rc)
> + goto error_free;
>
> rc = bnxt_drv_init(eth_dev);
> if (rc)
> --
> 2.21.1 (Apple Git-122.3)
>
