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    Subject[PATCH 5.10 59/83] gve: Correct available tx qpl check
    Date
    From: Catherine Sullivan <csully@google.com>

    [ Upstream commit d03477ee10f4bc35d3573cf1823814378ef2dca2 ]

    The qpl_map_size is rounded up to a multiple of sizeof(long), but the
    number of qpls doesn't have to be.

    Fixes: f5cedc84a30d2 ("gve: Add transmit and receive support")
    Signed-off-by: Catherine Sullivan <csully@google.com>
    Signed-off-by: Jeroen de Borst <jeroendb@google.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/ethernet/google/gve/gve.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h
    index f5c80229ea96..cfb174624d4e 100644
    --- a/drivers/net/ethernet/google/gve/gve.h
    +++ b/drivers/net/ethernet/google/gve/gve.h
    @@ -472,7 +472,7 @@ struct gve_queue_page_list *gve_assign_rx_qpl(struct gve_priv *priv)
    gve_num_tx_qpls(priv));

    /* we are out of rx qpls */
    - if (id == priv->qpl_cfg.qpl_map_size)
    + if (id == gve_num_tx_qpls(priv) + gve_num_rx_qpls(priv))
    return NULL;

    set_bit(id, priv->qpl_cfg.qpl_id_map);
    --
    2.33.0


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