[PATCH 5.10 220/252] gve: Correct SKB queue index validation.

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From: David Awogbemila <awogbemila@xxxxxxxxxx>

[ Upstream commit fbd4a28b4fa66faaa7f510c0adc531d37e0a7848 ]

SKBs with skb_get_queue_mapping(skb) == tx_cfg.num_queues should also be
considered invalid.

Fixes: f5cedc84a30d ("gve: Add transmit and receive support")
Signed-off-by: David Awogbemila <awogbemila@xxxxxxxxxx>
Acked-by: Willem de Brujin <willemb@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/google/gve/gve_tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/google/gve/gve_tx.c b/drivers/net/ethernet/google/gve/gve_tx.c
index 30532ee28dd3..b653197b34d1 100644
--- a/drivers/net/ethernet/google/gve/gve_tx.c
+++ b/drivers/net/ethernet/google/gve/gve_tx.c
@@ -482,7 +482,7 @@ netdev_tx_t gve_tx(struct sk_buff *skb, struct net_device *dev)
 	struct gve_tx_ring *tx;
 	int nsegs;
 
-	WARN(skb_get_queue_mapping(skb) > priv->tx_cfg.num_queues,
+	WARN(skb_get_queue_mapping(skb) >= priv->tx_cfg.num_queues,
 	     "skb queue index out of range");
 	tx = &priv->tx[skb_get_queue_mapping(skb)];
 	if (unlikely(gve_maybe_stop_tx(tx, skb))) {
-- 
2.30.2






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