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| author |   Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2021-10-14 01:26:26 +0000 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-10-14 19:17:57 -0700 |
| commit | 78e0a006914b9fc0dd714d68f0bb6e0f50c944f2 (patch) | |
| tree | 3a31b21c087c8293d5446d02fb7d9b270f3434f8 /drivers/net/hyperv | |
| parent | Merge branch 'minor-managed-neighbor-follow-ups' (diff) | |
| download | wireguard-linux-78e0a006914b9fc0dd714d68f0bb6e0f50c944f2.tar.xz wireguard-linux-78e0a006914b9fc0dd714d68f0bb6e0f50c944f2.zip | |
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: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://lore.kernel.org/r/1634174786-1810351-1-git-send-email-jiasheng@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/netvsc_drv.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 65850ea8a924..7e66ae1d2a59 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -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; |