diff options
Diffstat (limited to 'net/ipv6/exthdrs.c')
-rw-r--r-- | net/ipv6/exthdrs.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 727792907d6c..26f1e4a5ade0 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -379,9 +379,8 @@ static int ipv6_srh_rcv(struct sk_buff *skb) idev = __in6_dev_get(skb->dev); - accept_seg6 = net->ipv6.devconf_all->seg6_enabled; - if (accept_seg6 > idev->cnf.seg6_enabled) - accept_seg6 = idev->cnf.seg6_enabled; + accept_seg6 = min(READ_ONCE(net->ipv6.devconf_all->seg6_enabled), + READ_ONCE(idev->cnf.seg6_enabled)); if (!accept_seg6) { kfree_skb(skb); @@ -655,10 +654,13 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) struct ipv6_rt_hdr *hdr; struct rt0_hdr *rthdr; struct net *net = dev_net(skb->dev); - int accept_source_route = net->ipv6.devconf_all->accept_source_route; + int accept_source_route; - if (idev && accept_source_route > idev->cnf.accept_source_route) - accept_source_route = idev->cnf.accept_source_route; + accept_source_route = READ_ONCE(net->ipv6.devconf_all->accept_source_route); + + if (idev) + accept_source_route = min(accept_source_route, + READ_ONCE(idev->cnf.accept_source_route)); if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + @@ -919,7 +921,7 @@ static bool ipv6_hop_ioam(struct sk_buff *skb, int optoff) goto drop; /* Ignore if IOAM is not enabled on ingress */ - if (!__in6_dev_get(skb->dev)->cnf.ioam6_enabled) + if (!READ_ONCE(__in6_dev_get(skb->dev)->cnf.ioam6_enabled)) goto ignore; /* Truncated Option header */ |