Re: [dpdk-dev] [PATCH v2] devbind: check for lspci

[Rami Rosen <roszenrami@gmail.com>]

Reviewed-by: Rami Rosen <roszenrami@gmail.com>
On Tue, 13 Nov 2018 at 18:06, Anatoly Burakov <anatoly.burakov@intel.com> wrote:
>
> On some distributions (such as CentOS 7) lspci may not be installed
> by default, causing exceptions which are difficult to interpret.
>
> Fix devbind script to check if lspci is installed at script startup.
>
> Cc: stable@dpdk.org
>
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
> ---
>
> Notes:
>     v2: correct package name to "pciutils"
>
>  usertools/dpdk-devbind.py | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py
> index 7d564634c..40dc28a7d 100755
> --- a/usertools/dpdk-devbind.py
> +++ b/usertools/dpdk-devbind.py
> @@ -655,6 +655,13 @@ def do_arg_actions():
>
>  def main():
>      '''program main function'''
> +    # check if lspci is installed, suppress any output
> +    with open(os.devnull, 'w') as devnull:
> +        ret = subprocess.call(['which', 'lspci'],
> +                              stdout=devnull, stderr=devnull)
> +        if ret != 0:
> +            print("'lspci' not found - please install 'pciutils'")
> +            sys.exit(1)
>      parse_args()
>      check_modules()
>      clear_data()
> --
> 2.17.1