From: Catherine Sullivan <csully@google.com>
Date: Tue, 5 Oct 2021 19:42:19 -0700
Subject: gve: Correct available tx qpl check
Patch-mainline: v5.15-rc5
Git-commit: d03477ee10f4bc35d3573cf1823814378ef2dca2
References: bsc#1191655
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/google/gve/gve.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/google/gve/gve.h
+++ b/drivers/net/ethernet/google/gve/gve.h
@@ -780,7 +780,7 @@ struct gve_queue_page_list *gve_assign_r
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);