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authorSimon Horman <horms@kernel.org>2024-06-17 19:50:26 +0300
committerDavid S. Miller <davem@davemloft.net>2024-06-19 14:08:24 +0300
commitb95a4afe2defd6f46891985f9436a568cd35a31c (patch)
tree1f05e7d2f85a3f943487c9eb07bb764a4763c835 /drivers/net
parent16be004e941d82add77ebe4a20971d5ee3183b33 (diff)
downloadlinux-b95a4afe2defd6f46891985f9436a568cd35a31c.tar.xz
octeontx2-pf: Add error handling to VLAN unoffload handling
otx2_sq_append_skb makes used of __vlan_hwaccel_push_inside() to unoffload VLANs - push them from skb meta data into skb data. However, it omitts a check for __vlan_hwaccel_push_inside() returning NULL. Found by inspection based on [1] and [2]. Compile tested only. [1] Re: [PATCH net-next v1] net: stmmac: Enable TSO on VLANs https://lore.kernel.org/all/ZmrN2W8Fye450TKs@shell.armlinux.org.uk/ [2] Re: [PATCH net-next v2] net: stmmac: Enable TSO on VLANs https://lore.kernel.org/all/CANn89i+11L5=tKsa7V7Aeyxaj6nYGRwy35PAbCRYJ73G+b25sg@mail.gmail.com/ Fixes: fd9d7859db6c ("octeontx2-pf: Implement ingress/egress VLAN offload") Signed-off-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index a16e9f244117..929b4eac25d9 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -1174,8 +1174,11 @@ bool otx2_sq_append_skb(struct net_device *netdev, struct otx2_snd_queue *sq,
if (skb_shinfo(skb)->gso_size && !is_hw_tso_supported(pfvf, skb)) {
/* Insert vlan tag before giving pkt to tso */
- if (skb_vlan_tag_present(skb))
+ if (skb_vlan_tag_present(skb)) {
skb = __vlan_hwaccel_push_inside(skb);
+ if (!skb)
+ return true;
+ }
otx2_sq_append_tso(pfvf, sq, skb, qidx);
return true;
}