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hc
2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/net/ipv6/ndisc.c
....@@ -196,7 +196,8 @@
196196 static inline int ndisc_is_useropt(const struct net_device *dev,
197197 				   struct nd_opt_hdr *opt)
198198 {
199
-	return opt->nd_opt_type == ND_OPT_RDNSS ||
199
+	return opt->nd_opt_type == ND_OPT_PREFIX_INFO ||
200
+		opt->nd_opt_type == ND_OPT_RDNSS ||
200201 		opt->nd_opt_type == ND_OPT_DNSSL ||
201202 		opt->nd_opt_type == ND_OPT_CAPTIVE_PORTAL ||
202203 		opt->nd_opt_type == ND_OPT_PREF64 ||