Hello.
On 20/08/15 18:47, Alexander Aring wrote:
We should change the skb->dev pointer earlier to the lowpan interface
Sometimes we call iphc_decompress which also use some netdev printout
functionality. This patch will change that the correct interface will be
displayed in this case, which should be the lowpan interface.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
net/ieee802154/6lowpan/rx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c
index 74d8fec..f9cb70b 100644
--- a/net/ieee802154/6lowpan/rx.c
+++ b/net/ieee802154/6lowpan/rx.c
@@ -18,7 +18,6 @@
static int lowpan_give_skb_to_device(struct sk_buff *skb,
struct net_device *wdev)
{
- skb->dev = wdev->ieee802154_ptr->lowpan_dev;
skb->protocol = htons(ETH_P_IPV6);
skb->pkt_type = PACKET_HOST;
@@ -71,9 +70,11 @@ static int lowpan_rcv(struct sk_buff *skb, struct net_device *wdev,
if (!ldev || !netif_running(ldev))
goto drop;
+ /* Replacing skb->dev and followed rx handlers will manipulate skb. */
skb = skb_share_check(skb, GFP_ATOMIC);
if (!skb)
goto drop;
+ skb->dev = ldev;
if (ieee802154_hdr_peek_addrs(skb, &hdr) < 0)
goto drop_skb;
Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>
regards
Stefan Schmidt
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