Commit 78e0a006 authored by Jiasheng Jiang's avatar Jiasheng Jiang Committed by Jakub Kicinski

hv_netvsc: Add comment of netvsc_xdp_xmit()

Adding comment to avoid the misusing of netvsc_xdp_xmit().
Otherwise the value of skb->queue_mapping could be 0 and
then the return value of skb_get_rx_queue() could be MAX_U16
cause by overflow.
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Link: https://lore.kernel.org/r/1634174786-1810351-1-git-send-email-jiasheng@iscas.ac.cnSigned-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent c47fedba
......@@ -803,6 +803,7 @@ void netvsc_linkstatus_callback(struct net_device *net,
schedule_delayed_work(&ndev_ctx->dwork, 0);
}
/* This function should only be called after skb_record_rx_queue() */
static void netvsc_xdp_xmit(struct sk_buff *skb, struct net_device *ndev)
{
int rc;
......
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