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    Subject[PATCH 5.17 091/140] selftests/net: so_txtime: fix parsing of start time stamp on 32 bit systems
    Date
    From: Marc Kleine-Budde <mkl@pengutronix.de>

    commit 97926d5a847ca1758ad8702ce591e3b05a701e0d upstream.

    This patch fixes the parsing of the cmd line supplied start time on 32
    bit systems. A "long" on 32 bit systems is only 32 bit wide and cannot
    hold a timestamp in nano second resolution.

    Fixes: 040806343bb4 ("selftests/net: so_txtime multi-host support")
    Cc: Carlos Llamas <cmllamas@google.com>
    Cc: Willem de Bruijn <willemb@google.com>
    Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
    Acked-by: Willem de Bruijn <willemb@google.com>
    Reviewed-by: Carlos Llamas <cmllamas@google.com>
    Link: https://lore.kernel.org/r/20220502094638.1921702-2-mkl@pengutronix.de
    Signed-off-by: Paolo Abeni <pabeni@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    tools/testing/selftests/net/so_txtime.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/tools/testing/selftests/net/so_txtime.c
    +++ b/tools/testing/selftests/net/so_txtime.c
    @@ -475,7 +475,7 @@ static void parse_opts(int argc, char **
    cfg_rx = true;
    break;
    case 't':
    - cfg_start_time_ns = strtol(optarg, NULL, 0);
    + cfg_start_time_ns = strtoll(optarg, NULL, 0);
    break;
    case 'm':
    cfg_mark = strtol(optarg, NULL, 0);

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