Hi,

> -----Original Message-----
> From: Huang, Wei <[email protected]>
> Sent: Friday, March 17, 2023 4:44 AM
> To: [email protected]; [email protected]; [email protected]
> Cc: [email protected]; Xu, Rosen <[email protected]>; Zhang, Tianfei
> <[email protected]>; Zhang, Qi Z <[email protected]>; Huang, Wei
> <[email protected]>
> Subject: [PATCH v1] bus/ifpga: fix issue of accessing null address
> 
> In function ifpga_scan_one(), variable 'path' is NULL if device argument
> 'afu_bts' is not set, subsequent string copy with 'path' would lead to
> segmentation fault.
> 
> Fixes: 6fa4aa2b3645 ("bus/ifpga: fix forcing optional devargs")
> Cc: [email protected]
> 
> Signed-off-by: Wei Huang <[email protected]>
> ---
>  drivers/bus/ifpga/ifpga_bus.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/bus/ifpga/ifpga_bus.c b/drivers/bus/ifpga/ifpga_bus.c
> index bb943b5..07e316b 100644
> --- a/drivers/bus/ifpga/ifpga_bus.c
> +++ b/drivers/bus/ifpga/ifpga_bus.c
> @@ -135,6 +135,8 @@ struct rte_afu_device *
>                       goto end;
>               }
>               afu_pr_conf.pr_enable = 1;
> +             strlcpy(afu_pr_conf.bs_path, path,
> +                     sizeof(afu_pr_conf.bs_path));
>       } else {
>               afu_pr_conf.pr_enable = 0;
>       }
> @@ -174,7 +176,6 @@ struct rte_afu_device *
>               rawdev->dev_ops->dev_start(rawdev))
>               goto end;
> 
> -     strlcpy(afu_pr_conf.bs_path, path, sizeof(afu_pr_conf.bs_path));
>       if (rawdev->dev_ops &&
>               rawdev->dev_ops->firmware_load &&
>               rawdev->dev_ops->firmware_load(rawdev,
> --
> 1.8.3.1

Acked-by: Rosen Xu <[email protected]>

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