From: Parav Pandit <parav@xxxxxxxxxxxx>
[ Upstream commit 3bf3e2b881c1412d0329ce9376dfe1518489b8fc ]
Always consider the skb reserve space based on netdevice of the GID
attribute, regardless of vlan or non vlan netdevice.
Fixes: 43c9fc509fa5 ("rdma_rxe: make rxe work over 802.1q VLAN devices")
Signed-off-by: Parav Pandit <parav@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_net.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 8094cbaa54a9e..54add70c22b5c 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -533,8 +533,9 @@ struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
if (unlikely(!skb))
goto out;
- skb_reserve(skb, hdr_len + LL_RESERVED_SPACE(rxe->ndev));
+ skb_reserve(skb, hdr_len + LL_RESERVED_SPACE(ndev));
+ /* FIXME: hold reference to this netdev until life of this skb. */
skb->dev = ndev;
if (av->network_type == RDMA_NETWORK_IPV4)
skb->protocol = htons(ETH_P_IP);
--
2.20.1
