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-rw-r--r--include/net/ipv6.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index cf25ea21d7..88a8e554f7 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -534,13 +534,15 @@ static inline int ipv6_hopopt_jumbo_remove(struct sk_buff *skb)
return 0;
}
-static inline bool ipv6_accept_ra(struct inet6_dev *idev)
+static inline bool ipv6_accept_ra(const struct inet6_dev *idev)
{
+ s32 accept_ra = READ_ONCE(idev->cnf.accept_ra);
+
/* If forwarding is enabled, RA are not accepted unless the special
* hybrid mode (accept_ra=2) is enabled.
*/
- return idev->cnf.forwarding ? idev->cnf.accept_ra == 2 :
- idev->cnf.accept_ra;
+ return READ_ONCE(idev->cnf.forwarding) ? accept_ra == 2 :
+ accept_ra;
}
#define IPV6_FRAG_HIGH_THRESH (4 * 1024*1024) /* 4194304 */