From fcb662deeb83bbc6df58b472a3bfe76981a8cc36 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Tue, 26 Jun 2018 14:19:10 -0700 Subject: xfrm: don't check offload_handle for nonzero The offload_handle should be an opaque data cookie for the driver to use, much like the data cookie for a timer or alarm callback. Thus, the XFRM stack should not be checking for non-zero, because the driver might use that to store an array reference, which could be zero, or some other zero but meaningful value. We can remove the checks for non-zero because there are plenty other attributes also being checked to see if there is an offload in place for the SA in question. Signed-off-by: Shannon Nelson Signed-off-by: Steffen Klassert --- net/ipv6/esp6_offload.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'net/ipv6') diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index 27f59b61f70f..96af267835c3 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -162,8 +162,7 @@ static struct sk_buff *esp6_gso_segment(struct sk_buff *skb, skb->encap_hdr_csum = 1; - if (!(features & NETIF_F_HW_ESP) || !x->xso.offload_handle || - (x->xso.dev != skb->dev)) + if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) esp_features = features & ~(NETIF_F_SG | NETIF_F_CSUM_MASK); else if (!(features & NETIF_F_HW_ESP_TX_CSUM)) esp_features = features & ~NETIF_F_CSUM_MASK; @@ -207,8 +206,7 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features if (!xo) return -EINVAL; - if (!(features & NETIF_F_HW_ESP) || !x->xso.offload_handle || - (x->xso.dev != skb->dev)) { + if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) { xo->flags |= CRYPTO_FALLBACK; hw_offload = false; } -- cgit v1.2.3