Commit 0311d977 authored Oct 05, 2021 by Catherine Sullivan Committed by Greg Kroah-Hartman Oct 13, 2021

gve: Correct available tx qpl check



[ 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: f5cedc84 ("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>

parent 11cd944b

drivers/net/ethernet/google/gve/gve.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -391,7 +391,7 @@ 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);