summaryrefslogtreecommitdiff
path: root/net/ipv6/seg6_hmac.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/seg6_hmac.c')
-rw-r--r--net/ipv6/seg6_hmac.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
index d43c50a7310d..861e0366f549 100644
--- a/net/ipv6/seg6_hmac.c
+++ b/net/ipv6/seg6_hmac.c
@@ -241,6 +241,7 @@ bool seg6_hmac_validate_skb(struct sk_buff *skb)
struct sr6_tlv_hmac *tlv;
struct ipv6_sr_hdr *srh;
struct inet6_dev *idev;
+ int require_hmac;
idev = __in6_dev_get(skb->dev);
@@ -248,16 +249,17 @@ bool seg6_hmac_validate_skb(struct sk_buff *skb)
tlv = seg6_get_tlv_hmac(srh);
+ require_hmac = READ_ONCE(idev->cnf.seg6_require_hmac);
/* mandatory check but no tlv */
- if (idev->cnf.seg6_require_hmac > 0 && !tlv)
+ if (require_hmac > 0 && !tlv)
return false;
/* no check */
- if (idev->cnf.seg6_require_hmac < 0)
+ if (require_hmac < 0)
return true;
/* check only if present */
- if (idev->cnf.seg6_require_hmac == 0 && !tlv)
+ if (require_hmac == 0 && !tlv)
return true;
/* now, seg6_require_hmac >= 0 && tlv */