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gve: Correct SKB queue index validation.

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[ Upstream commit fbd4a28b4fa66faaa7f510c0adc531d37e0a7848 ]

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

Fixes: f5cedc84a3 ("gve: Add transmit and receive support")
Signed-off-by: David Awogbemila <awogbemila@google.com>
Acked-by: Willem de Brujin <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
David Awogbemila 2021-05-17 14:08:15 -07:00 • committed by Greg Kroah-Hartman
commit 68b5fc6ec5
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/google/gve/gve_tx.c
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@ -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))) {